Best Rainbow One-Piece Swimsuits for Women of 2026

John Zimmer Avatar
John Zimmer
Last Updated: 3 Feb 2026

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Introducing a vibrant selection of one-piece swimsuits that are sure to make a splash this summer. These rainbow-inspired swimsuits are designed for women who want to stand out on the beach or by the pool. With their eye-catching colours and flattering silhouettes, these swimsuits are perfect for those who want to make a bold fashion statement while enjoying the sun and water. Whether you're lounging on a tropical beach or taking a dip in your local swimming pool, these rainbow one-piece swimsuits are a must-have addition to your summer wardrobe.

At a Glance: Our Top Picks

popvil One Piece Swimsuit 2025 Tummy Control Women Bathing Suit Shapewear Swimsuits Slimming Neon Cute Tie Back Swimwear Cover #TOP 1
popvil One Piece Swimsuit 2025 Tummy Control Women Bathing Suit Shapewear Swimsuits Slimming Neon Cute Tie Back Swimwear
ftb score rating icon 9.9
popvil One Piece Swimsuit for Women 2026 Bathing Suit Rainbow Color Block Swim Suits Deep V Neck Swimwear Cover #TOP 2
popvil One Piece Swimsuit for Women 2026 Bathing Suit Rainbow Color Block Swim Suits Deep V Neck Swimwear
ftb score rating icon 9.8
Ladies Bikini with Rainbow Printed Trim Womens Two Pieces Swimwear Cover #TOP 3
Ladies Bikini with Rainbow Printed Trim Womens Two Pieces Swimwear
ftb score rating icon 9.6

Top 9 Rainbow One-Piece Swimsuits for Women

#TOP 1

popvil One Piece Swimsuit 2025 Tummy Control Women Bathing Suit Shapewear Swimsuits Slimming Neon Cute Tie Back Swimwear

popvil
Rainbow
popvil One Piece Swimsuit 2025 Tummy Control Women Bathing Suit Shapewear Swimsuits Slimming Neon Cute Tie Back Swimwear Cover
popvil One Piece Swimsuit 2025 Tummy Control Women Bathing Suit Shapewear Swimsuits Slimming Neon Cute Tie Back Swimwear, Rainbow, XL

Features
Kind Tips: Please Refer To The Popvil Brand's Size Chart Before Purchasing, Instead Of The Amazon - Suggested Size Chart. If You Have Any Doubts About The Size, It Is Recommended To Choose One Size Larger. Slide Down The Size Chart On The Detail Page And Can Ask Any Questions.
[FABRIC] :This Women's One-Piece Swimsuit Is Made Of 82% Polyamide And 18% Elastane. Made With High-Quality Elastic Materials, It Offers Adequate Support While Maintaining The Comfort Of Its Strapless Design, Allowing You To Enjoy Freedom Of Movement Whether You're Running On The Beach Or Swimming.
[OCCASION]: This One Piece Swimsuit For Women Is Best For Summer Swimming Wear, Making You More Charming During Beach Vacations, Swimming In The Pool, Honeymoon In Hawaii, Cruise Vacation, Etc.
[DESIGN]: This Neon Bathing Suits For Women Designed With A Shell-Stitched Adorned With Color Block. Plunging V-Neckline, Tie Back And Featuring A Standard Cut Leg For Classic Coverage.
The Neon Swimsuit For Women Features A Unique Irregular Color Block And Bright Hues, Keeps You Looking Effortlessly Fresh And Stylish At The Beach Or Poolside.
#TOP 2

popvil One Piece Swimsuit for Women 2026 Bathing Suit Rainbow Color Block Swim Suits Deep V Neck Swimwear

popvil
Black
popvil One Piece Swimsuit for Women 2026 Bathing Suit Rainbow Color Block Swim Suits Deep V Neck Swimwear Cover
popvil One Piece Swimsuit for Women 2026 Bathing Suit Rainbow Color Block Swim Suits Deep V Neck Swimwear, Black, Medium

Features
[FABRIC] : Our Womens One Piece Swimsuit ,is Made Up Of 82% Polyamide,18% Elastane, Which Is Soft Against The Skin, Ensuring All - Day Comfort.It Also Has Good Stretchability, Allowing For A Snug Yet Comfortable Fit That Moves With Your Body.
[Design] : This One Piece Swimsuit For Women Features A Vibrant Color Combination That Is Sure To Turn Heads. The Top Features A A Color Block Design That Instantly Catches The Eye And Makes You The Center Of Attention Of The Crowd. The Vibrant Colors Makes This Swimsuit Truly Unique, Offering An Elegant Yet Comfortable Fit.
[SLIMMING] : This Sexy One Piece Swimsuit For Women Offers A Comfortable, Figure-Flattering Fit That Enhances Your Natural Curves While Providing Reliable Support For All-Day Wear.
[OCCASIONS] : This Slimming One Piece Swimsuit For Women Is Versatile For Various Occasions, Whether You Are Going To The Swimming Pool To Enjoy A Leisurely Swimming Time Or Playing And Sunbathing On The Beach, This Swimsuit Is An Excellent Choice. It Is Suitable For Showing Your Personality When Traveling Alone And Can Also Make You Confident When Gathering With Friends And Family.
[KIND TIPS] : All Popvil Swimsuits For Women Are Producted According To Popvil Brand Size.Please Refer To The Size Chart For Specific Measurements To Achieve The Perfect Fit.
#TOP 3

Ladies Bikini with Rainbow Printed Trim Womens Two Pieces Swimwear

SWIMDRESS-SS21
Black - Bikini
Ladies Bikini with Rainbow Printed Trim Womens Two Pieces Swimwear Cover
Ladies Bikini with Rainbow Printed Trim Womens Two Pieces Swimwear (Black, 14)

Features
One And Two Piece Swimming Costumes Featuring Adjustable Straps. Selected Designs Feature Tummy Control Mesh Panel.
Beautiful Womens Selection Of Swim Dresses Available In A Large Variety Of Colours And Designs. Available In Sizes 8-22
Perfect Combination Of Design And Comfort To Make A Great Milestone Or Birthday Gift For Wives, Sisters, Mothers Etc
Ideal To Wear In The Summer And Take On Holiday, Vacation, Spa Days, Pools And Hot Tubs
**Hygiene & Our Customers' Safety Is Important, So Returns Will Only Be Accepted If The Hygiene Seal Is Not Unsealed/Damaged** Please Ensure This Item Is Tried On With Your Underwear**
#TOP 4

Sixyotie Women's Plus Size Swimsuit One Piece Swim Dress

Rainbow
Sixyotie Women's Plus Size Swimsuit One Piece Swim Dress Cover
Sixyotie Women's Plus Size Swimsuit One Piece Swim Dress with Skirt Tummy Control Swimwear (Rainbow, L)

Features
Size:L(UK10-12),XL(UK12-14),2XL(UK14-16),3XL(UK16-18),4XL(UK18-20),5XL(UK20-22),6XL(UK22-24). One Piece Shaping Body Swimsuits With Shorts Attached Under Skirt, Cover Your Tummy Well, Wireless And Removable Padded Cup For Support And Comfort
Vintage High Waisted Swimdress,cover Up Swimsuit With Skirts,Adjustable Halter,Bow Straps, Seperate Boyleg Bottom, Push Up Top Padded, Retro Printing In Front, Cover Up Swimwear.A Knot Detail At Front And Adjustable Ties At Neck, Accentuates Your Graceful Figure, Make Your Bust Looks More Curvier.
Plus Size From UK 12 To UK 24, We Are Not Use Amazon's Size Chart, Please Kindly Check Our Size Chart Before You Purchase, Occasion: Beach, Resorts, Swimming Pools, Poolside Party, Holiday.
Ladies Plus Size Retro Flower And Fashion Printing Swimming Costume Dress For Women, Super Comfy And High Stretch Fabrics Provide Excellent Fit
High Stretchy Fabric, Smooth And Soft, Friendly To Skin And Durable, Making You Enjoyable During Beach Vacation, Pool Swimming And Holiday
#TOP 5

BMJL Women's Tummy Control Swimsuits Ruched Slimming One Piece Bathing Suit Deep V Neck Swimsuit, Rainbow Black039

Rainbow Black039
BMJL Women's Tummy Control Swimsuits Ruched Slimming One Piece Bathing Suit Deep V Neck Swimsuit, Rainbow Black039 Cover
BMJL Women's Tummy Control Swimsuits Ruched Slimming One Piece Bathing Suit Deep V Neck Swimsuit, Rainbow Black039, S

Features
[Features] The Modest Swimsuits For Women Is Designed With Deep V Neck And V Wire Design, Adjustable Strap,removable Soft Cups.This Fashion Slimming Swimsuits For Women Is The Best Choice For Your Swimming Time.Our High Cut Full Coverage Swimming Suits Make Your Legs Look Longer Without Exposing Too Much.
[Material] The Bathing Suit For Women Tummy Control, Is Made Up Of 82% Nylon And 18%Spandex, Which Is Smooth, Soft, Breathable And Comfortable.
[Size Guide] All Our Womens Swimsuits, Are Produced According To Our Brand Size ,please Choose Your Size Refer To The Last Photo Or Amazon Size Chart.
[Occasions] The One Piece Swimsuit Women Tummy Control Is An Ideal Choice For Swimming, Tropical Vacations, Summer, Beach & Pool, Honeymoon, Cruise.
[Design] The Tummy Control Swimsuits For Women Is Designed With Modest Slimming Style, Ruched Front Can Better Control Your Tummy.A Must-Have Bathing Suit For You To Show Your Charming Body During Beach Time.
#TOP 6

HAIVIDO Women's One Piece Swimsuits Swimming Costume XXL

HAISU186OP18-13S
Rainbow
HAIVIDO Women's One Piece Swimsuits Swimming Costume XXL Cover
HAIVIDO Women's One Piece Swimsuits Swimming Costume XXL, D-rainbow, Small

Features
Chlorine Resistance: More Durable Fabric Than Traditional Fabric For Swimming, Which Keep Swimsuit Smooth And Elastic For A Long Time. UPF 50+ Ultraviolet Protection.
Fabric: The One Piece Swimsuit For Athletics Has High Quality,skin-Friendly & Smooth Fabric.80% Nylon,20% Elastane.
Garment Care: Timely Washing. Recommend With Cold Water. Do Not Use Bleach. Do Not Tumble Dry.
Design: Removable Soft Cups. Featuring Dual Shoulder Straps With Large Keyhole On Back. Moderate Cut Leg Reduce Water Resistance And Provide Enough Body Coverage.
Appearance: Multicolor Matching That Inspires Your Confidence And Vitality. Showing Professional Movement Attainment.
#TOP 7

Upetstory Women's One-Piece Swimsuits Full Coverage Bathing Suit Halter Swinwear, Rainbow Leopard Print

Upetstory Women's One-Piece Swimsuits Full Coverage Bathing Suit Halter Swinwear, Rainbow Leopard Print Cover
Upetstory Women's One-Piece Swimsuits Full Coverage Bathing Suit Halter Swinwear, Rainbow Leopard Print, XL

Features
MATERIAL: 94% Polyester,6% Spandex,bikini Swimwear Made Of Stretchy And Lightweight Fabric.
SIZE: S M L XL 2XL,There Are 5 Kinds Of Sizes For You To Choose,please Refer To Our Size Chart.
OCCASIONS: Great For Vacations,swimming,bathing,summer Beach,pool Swimming,Hawaii,party,fitness,hot Springs, Vacations,surfing,pool Parties,club-Wear And Honeymoons; Soft Fabric And Funny Pattern Makes You Comfortable, Elegant And Attractive.
FEATURE: One Piece Swimsuit For Women Has A Ruched Design,Open-Back Swimsuit With Halter Adopts A Sexy Plunge Design,sexy Bikini Top,offer Full Bottom Coverage,highlighting Your Curves And Makes You Look Elegant And Chic.
CUSTOM: Personalized You Like Image Photo Swimsuit Bathing Suit For Women,mothers, Girls And Teenagers.
#TOP 8

SHEKINI One Piece Swimdress Swimsuits

11397
Rainbow Gradient
SHEKINI One Piece Swimdress Swimsuits Cover
SHEKINI One Piece Swimdress Swimsuits for Women Skirted Swimming Costume Tummy Control Lace Swim Suit Bathing Suits with Briefs Plus Size

Features
The One Piece Swimming Costume For Women Uk Features Sexy Mesh Lace Layer Design Which Makes You Look More Flattering.
Our Women's One Piece Swimsuits Are Made Of 85% Polyester And 15% Spandex, Which Is Stretchy, Smooth, Soft, Durable And Comfortable To Wear.
This Women's Tummy Control Swim Dress Comes With Non-Adjustable Wide Straps And Non-Removable Padded Bra, Perfect For Maximum Support And Comfort.
Our One-Piece Skirted Swimming Costumes Are Perfect For Tropical Holidays, Water Sports, Seaside, Resorts, Beaches And Pools In Chic Styles.
Available In S, M, L, XL, XXL. Please Refer To Our Size Chart Before Purchasing. Do Not Bleach. Do Not Iron. Hand Wash Recommend. Hang To Dry.
#TOP 9

Tomeusey Womens One Piece Tummy Control Swimsuits, Rainbow Mermaid Scale Sport Training Swimwear Bathing Suits

Tomeusey
Tomeusey Womens One Piece Tummy Control Swimsuits, Rainbow Mermaid Scale Sport Training Swimwear Bathing Suits Cover
Tomeusey Womens One Piece Tummy Control Swimsuits, Rainbow Mermaid Scale Sport Training Swimwear Bathing Suits for Women

Features
[Unique Design] - Classic One-Piece Gathered Neck Lace-Up Swimsuit Is Designed With Adjustable Halter Neck And Removable Padded Push-Up Bra, Featuring Deep V-Neckline And Sexy Halter Style, Gathered Waist Design Elegantly Hides Tummy And Shapes Curves, Creative Print Design, Making It Look More Sexy And Fashionable.
[Material] -Halter One Piece Bathing Suit Are Made Of High-Quality Polyester And Spandex Material.The Fabric Is Elastic, Quick Drying, Lightweight, Skin Friendly And Breathable, Sturdy And Comfortable.
[Sizes] -This Womens Swimsuits Is Available In Sizes S, M, L, XL, 2XL, 3XL,suitable For Most Body Types, The Large, Loose-Fitting Design Perfectly Flatters Your Body Shape While Allowing You To Move Freely. Please Refer To Our Size Chart (not Amazon Size Chart) Carefully Before Purchasing.
[Occasions] -Tummy Control Sexy One Piece Swimsuit Is Suitable For Most Occasions, Such As Beaches, Parties, Vacations, Swimming Pools, Hot Springs, Water Parks, Etc.
[Ideal Gift] - V-Neck One-Piece Bathing Suit, Lace-Ups And v-Neck Design, Show Your Personal Charm, Fashion Or Customized Pattern Is Also A Good Choice For Honeymoon And Female Friend Gifts. Ideal Gift For Honeymoon, Valentine's Day, Birthday, New Year, Anniversary, Mother's Day, Christmas And Other Festivals.
Buying Guide Image
Editor's Notes

During our rainbow one-piece swimsuit for women research, we found 192 rainbow one-piece swimsuit for women products and shortlisted 9 quality products. We collected and analyzed 89,986 customer reviews through our big data system to write the rainbow one-piece swimsuits for women list. We found that most customers choose rainbow one-piece swimsuits for women with an average price of £20.00.

The rainbow one-piece swimsuits for women are available for purchase. We have researched hundreds of brands and picked the top brands of rainbow one-piece swimsuits for women, including popvil, Style It Up, Sixyotie, BMJL, HAIVIDO.

Written by
John Zimmer Avatar

John Zimmer is a truly professional writer on findthisbest.com. He has specialized in writing content a wide variety of fields for over a decade. Since 2011, he has been using his expertise and extensive experience to write content for online shopping guide websites. In addition to writing for findthisbest.com, he has appeared in publications such as The Spruce, Wirecutter and Bestbuy.