Best Rainbow One-Piece Swimsuits for Women of 2025

John Zimmer Avatar
John Zimmer
Last Updated: 30 Jan 2025

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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

Style It Up Ladies Rainbow Trim Bikini Set Cover #TOP 1
Style It Up Ladies Rainbow Trim Bikini Set
ftb score rating icon 9.9
HAIVIDO Women's D-rainbow One Piece Swimsuit Cover #TOP 2
HAIVIDO Women's D-rainbow One Piece Swimsuit
ftb score rating icon 9.8
AI'MAGE Ruched Tummy Control Swimsuit Cover #TOP 3
AI'MAGE Ruched Tummy Control Swimsuit
ftb score rating icon 9.6

Top 10 Rainbow One-Piece Swimsuits for Women

#TOP 1

Style It Up Ladies Rainbow Trim Bikini Set

SWIMDRESS-SS21
Black - Bikini
Style It Up Ladies Rainbow Trim Bikini Set Cover
Ladies Bikini with Rainbow Printed Trim Womens Two Pieces Swimwear (Black, 12)

The Style It Up Bikini Set is a stylish choice for summer fun. With a wide selection of colours and designs in sizes 8-22, you can find the perfect fit for your holiday or spa day. The adjustable straps ensure comfort and support, allowing you to enjoy the sun without worries. Some designs even feature a tummy control mesh panel, giving you added confidence. This bikini set makes a wonderful gift for loved ones, combining both design and comfort for any occasion.

What We Like
Variety of colours and designs
Adjustable straps for comfort
Tummy control feature available
Great for holidays and spa days
Perfect gift option
#TOP 2

HAIVIDO Women's D-rainbow One Piece Swimsuit

HAISU186OP18-13M
Rainbow
HAIVIDO Women's D-rainbow One Piece Swimsuit Cover
HAIVIDO Women's One Piece Swimming Suit Swimsuits XXL, D-rainbow, Medium

The HAIVIDO One Piece Swimsuit offers a perfect blend of comfort and performance for your swimming needs. Made from high-quality, skin-friendly fabric, it ensures a smooth fit that feels great against your skin. The chlorine-resistant material adds durability, keeping your swimsuit looking fresh and elastic for longer. With UPF 50+ ultraviolet protection, you can enjoy peace of mind while swimming outdoors. Additionally, the swimsuit features removable soft cups and a stylish design with dual shoulder straps, providing both support and a chic look.

What We Like
Comfortable, skin-friendly fabric
Chlorine resistant for durability
UPF 50+ sun protection
Stylish design with support
#TOP 3

AI'MAGE Ruched Tummy Control Swimsuit

Leopard Rainbow
AI'MAGE Ruched Tummy Control Swimsuit Cover
AI'MAGE One Piece Swimsuit Women 2025 Tummy Control Bathing Suits Ruched Modest Full Coverage Swimwear, Leopard Rainbow, Medium

The AI'MAGE One-Piece Swimsuit is thoughtfully designed to enhance your beach experience. With adjustable straps and ruched detailing, it offers support for your chest while effectively controlling the belly area, ensuring you feel confident and comfortable. The high-quality fabric is soft against the skin, making it a pleasure to wear during beach vacations or pool parties. The elegant square neck adds a stylish touch, beautifully accentuating your neck while providing solid coverage.

What We Like
Flattering tummy control
Adjustable supportive straps
Soft, comfortable fabric
Elegant square neck design
#TOP 4

Ekouaer Women's Ruched Tummy Control Swimsuit

AM000517_PAT6_XL
Rainbow
Ekouaer Women's Ruched Tummy Control Swimsuit Cover
Ekouaer Women's One Piece Swimsuit Ruched Tummy Control Bathing Suits Vintage Retro Push Up Swimwear, Rainbow, XL

The Ekouaer One Piece Swimsuit offers a stylish design that effectively conceals tummy imperfections, helping you look slimmer and feel more confident. With light contoured padding and adjustable straps, it ensures a comfortable fit that is easy to wear. This swimsuit is hassle-free, as it requires no closure, making it simple to slip on. Its unique ruching front detail adds sophistication, allowing you to stand out whether on the beach or by the pool.

What We Like
Flattering tummy control design
Easy to wear and adjust
Stylish for beach or pool
Light padding for comfort
#TOP 5

Sixyotie Women's Plus Size Swim Dress with Skirt

Rainbow
Sixyotie Women's Plus Size Swim Dress with Skirt Cover
Sixyotie Women's Plus Size Swimsuit One Piece Swim Dress with Skirt Tummy Control Swimwear (Rainbow,4XL)

The Sixyotie Plus Size Swim Dress features a vintage high-waisted design that includes a skirt, providing both style and coverage. The adjustable halter and bow straps allow you to customise the fit, flattering your figure while enhancing your bust. With a separate boyleg bottom and push-up padded top, you can enjoy added support and comfort. This swim dress is crafted from high-stretch fabric, ensuring a smooth and soft feel against your skin, perfect for beach vacations and pool days.

What We Like
Flattering high-waisted design
Adjustable halter for custom fit
Comfortable and supportive padding
Soft, stretchy, and durable fabric
#TOP 6

Ruuione Women’s Rainbow Boyleg Swimsuit XL

Ruuione
Rainbow
Ruuione Women’s Rainbow Boyleg Swimsuit XL Cover
Ruuione Women’s One Piece Boyleg Swimsuits Sports Swimwear Training Bathing Suit,Rainbow,XL(14)

The Ruuione Boyleg Swimsuit is crafted from high-quality fabric, consisting of 82% Polyamide and 18% Elasthane, ensuring excellent elasticity and breathability. This swimsuit features wide shoulder straps and flat pants that offer additional coverage and support, giving you a modest yet slimming appearance. Its vibrant stripe design adds a fashionable touch, making it perfect for both training and leisure. With quick-drying capabilities, this swimsuit is ideal for various summer activities, whether at the pool or beach.

What We Like
High-quality, breathable fabric
Modest yet slimming design
Quick-drying for convenience
Vibrant, fashionable appearance
#TOP 7

TASHEHE Women's Ruched Tummy Control Swimsuit

TASHEHE
ONE PIECE SWIMSUIT-2423
TASHEHE Women's Ruched Tummy Control Swimsuit Cover
TASHEHE Women's One Piece Swimsuit Ruched Tummy Control Bathing Suit, 423 / Rainbow Leopard, Large

The TASHEHE One Piece Swimsuit is designed for comfort and style. Its high-end quality fabric is soft and stretchy, ensuring a comfortable fit for all-day wear. The ruched front provides effective tummy control, helping you feel more confident while enjoying the sun. Additionally, the adjustable shoulder straps allow you to customise the fit to your preference, making it easier to find your perfect comfort level. With its classic design and full bottom coverage, this swimsuit is a versatile choice for your swimwear collection.

What We Like
Soft and stretchy fabric
Tummy control feature
Adjustable shoulder straps
Classic design
Full bottom coverage
#TOP 8

SHEKINI Women's Rainbow Metallic One-Piece Swimsuit

11281
Rainbow
SHEKINI Women's Rainbow Metallic One-Piece Swimsuit Cover
SHEKINI Women's Metallic Shiny Bathing Suit Scoop Neck Backless One Piece Swimsuits, Rainbow, S

The SHEKINI Metallic Swimsuit is crafted from a soft blend of 85% polyester and 15% spandex, ensuring a comfortable fit against your skin. Its classic design features wide shoulder straps and a low back, providing both support and style. The high-cut legs enhance your silhouette, making it perfect for a variety of activities, from pool parties to tropical holidays. Additionally, the shiny metallic fabric adds a touch of sparkle, ensuring you stand out while feeling confident and chic.

What We Like
Soft and skin-friendly material
Stylish metallic finish
Supports with wide shoulder straps
High-cut legs for flattering fit
Versatile for various occasions
#TOP 9

YOLIPULI Women's Long Sleeve UV Protection Swimsuit

YOLIPULI
Rainbow Color
YOLIPULI Women's Long Sleeve UV Protection Swimsuit Cover
YOLIPULI Women One Piece Long Sleeve Rash Guard UV Protection Surfing Swimsuit Swimwear Bathing Suit, Rainbow Color, Large

The YOLIPULI Long Sleeve Swimsuit is crafted from a blend of 80% polyester and 20% spandex, ensuring a soft and comfortable fit that dries quickly. With UPF 50+ protection, this swimsuit effectively shields your skin from harmful UV rays while its long sleeves guard against rashes and abrasions. The built-in bra with removable pads offers breast support, enhancing your comfort during water activities. Additionally, the convenient front half zipper allows for easy dressing, making it perfect for various aquatic adventures.

What We Like
High-quality, soft material
Effective UV protection
Built-in bra for support
Easy to put on
Suitable for various water sports
#TOP 10

Sprowallow One Piece Tummy Control Swimsuit

Sprowallow
Rainbow Heart9
Sprowallow One Piece Tummy Control Swimsuit Cover
Sprowallow Swimsuits for Women One Piece Tummy Control V-Neck Halter High Cut Bathing Suits Vacation Swimwear, Rainbow Heart9, Medium

The Sprowallow Bathing Suit is designed with comfort and style in mind. Available in multiple sizes, it ensures a perfect fit for everyone. Made from quick-drying and breathable polyester, it offers a comfortable wearing experience. The flattering V-neck design and neck strap enhance your body proportions, making you feel confident. Additionally, the high cut design allows you to showcase your legs beautifully, perfect for those summer days by the pool or beach.

What We Like
Multiple size options available
Quick-drying polyester fabric
Flattering V-neck design
High cut for leg elongation
Buying Guide Image
Editor's Notes

During our rainbow one-piece swimsuit for women research, we found 173 rainbow one-piece swimsuit for women products and shortlisted 10 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 £28.78.

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 Style It Up, HAIVIDO, AI'MAGE, Ekouaer, Sixyotie. The seller of top 1 product has received honest feedback from 803 consumers with an average rating of 4.7.

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.