Girls' Swimwear

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Whether it's for summertime or swimming lessons, your girls need the right gear for when they dive into the water. Check out thredUP's selection of girls' swimwear to discover items from top brands at up to 90% off estimated retail.

343 items
Justice Size 6

View Product: Justice Size 6

Justice

Size 6
$18.99 $31
UV Skinz Size 6

View Product: UV Skinz Size 6

UV Skinz

Size 6
$17.99 $38
Cat & Jack Size Medium youth

View Product: Cat & Jack Size Medium youth

Cat & Jack

Size Medium youth
$14.99 $15
Art Class Size Medium youth

View Product: Art Class Size Medium youth

Art Class

Size Medium youth
$15.99 $19
Cat & Jack Size Medium youth

View Product: Cat & Jack Size Medium youth

Cat & Jack

Size Medium youth
$10.99 $15
Active by Old Navy Size Large youth

View Product: Active by Old Navy Size Large youth

Active by Old Navy

Size Large youth
$13.99 $19
Bloch Size 8

View Product: Bloch Size 8

Bloch

Size 8
$15.99 $31
Flapdoodles Size 5

View Product: Flapdoodles Size 5

Flapdoodles

Size 5
$10.99 $13
Wonder Nation Size 7

View Product: Wonder Nation Size 7

Wonder Nation

Size 7
$11.99 $15
Wonder Nation Size 6

View Product: Wonder Nation Size 6

Wonder Nation

Size 6
$11.99 $15
Circo Size X-Small youth

View Product: Circo Size X-Small youth

Circo

Size X-Small youth
$12.99 $13
Cat & Jack Size X-Small youth

View Product: Cat & Jack Size X-Small youth

Cat & Jack

Size X-Small youth
$12.99 $15
Wonder Nation Size 7
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View Product: Wonder Nation Size 7

Wonder Nation

Size 7
$7.99 $7.44
LOL Surprise Size 4

View Product: LOL Surprise Size 4

LOL Surprise

Size 4
$12.99 $19
Assorted Brands Size 6

View Product: Assorted Brands Size 6

Assorted Brands

Size 6
$15.99 $31
O'Neill Size 12

View Product: O'Neill Size 12

O'Neill

Size 12
$18.99 $31
Little Me Size 12 mo
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View Product: Little Me Size 12 mo

Little Me

Size 12 mo
$11.99 $15
Lands' End Size 12

View Product: Lands' End Size 12

Lands' End

Size 12
$17.99 $27
Danskin Now Size Large youth

View Product: Danskin Now Size Large youth

Danskin Now

Size Large youth
$12.99 $15
SO Size 7

View Product: SO Size 7

SO

Size 7
$15.99 $23
Tea Size 6-12 mo

View Product: Tea Size 6-12 mo

Tea

Size 6-12 mo
$15.99 $26
2CB Real Size 4

View Product: 2CB Real Size 4

2CB Real

Size 4
$12.99 $16
2CB Real Size 4

View Product: 2CB Real Size 4

2CB Real

Size 4
$12.99 $16
Kanu Surf Size 8

View Product: Kanu Surf Size 8

Kanu Surf

Size 8
$11.99 $20
The Children's Place Size 16

View Product: The Children's Place Size 16

The Children's Place

Size 16
$8.99 $13
Wonder Nation Size 5

View Product: Wonder Nation Size 5

Wonder Nation

Size 5
$10.99 $13
SO Size 10

View Product: SO Size 10

SO

Size 10
$13.99 $23
all in motion Size Small youth
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View Product: all in motion Size Small youth

all in motion

Size Small youth
$17.99 $34.99
Assorted Brands Size Medium kids

View Product: Assorted Brands Size Medium kids

Assorted Brands

Size Medium kids
$21.99 $51
Janie and Jack Size 2T

View Product: Janie and Jack Size 2T

Janie and Jack

Size 2T
$13.99 $26
Rip Curl Size Large youth

View Product: Rip Curl Size Large youth

Rip Curl

Size Large youth
$20.99 $46
The Children's Place Size 12-18 mo

View Product: The Children's Place Size 12-18 mo

The Children's Place

Size 12-18 mo
$9.99 $10
Justice Size 6

View Product: Justice Size 6

Justice

Size 6
$18.99 $31
Wonder Nation Size 3T

View Product: Wonder Nation Size 3T

Wonder Nation

Size 3T
$15.99 $20
Cat & Jack Size 5

View Product: Cat & Jack Size 5

Cat & Jack

Size 5
$11.99 $20
Cat & Jack Size 4T

View Product: Cat & Jack Size 4T

Cat & Jack

Size 4T
$10.99 $13
B.T. Kids Size 6-9 mo

View Product: B.T. Kids Size 6-9 mo

B.T. Kids

Size 6-9 mo
$9.99 $10
Tuga Size 4

View Product: Tuga Size 4

Tuga

Size 4
$23.99 $64
Disney Baby Size 12-18 mo

View Product: Disney Baby Size 12-18 mo

Disney Baby

Size 12-18 mo
$8.99 $7
Abercrombie Size 13

View Product: Abercrombie Size 13

Abercrombie

Size 13
$17.99 $35
PilyQ Size 12

View Product: PilyQ Size 12

PilyQ

Size 12
$18.99 $92
Gymboree Size 4T

View Product: Gymboree Size 4T

Gymboree

Size 4T
$13.99 $25
Lands' End Size 8

View Product: Lands' End Size 8

Lands' End

Size 8
$15.99 $27
Lands' End Size 7

View Product: Lands' End Size 7

Lands' End

Size 7
$12.99 $23
Carter's Size 4

View Product: Carter's Size 4

Carter's

Size 4
$17.99 $36
Cat & Jack Size 5T

View Product: Cat & Jack Size 5T

Cat & Jack

Size 5T
$12.99 $13
Hanna Andersson Size 100 cm

View Product: Hanna Andersson Size 100 cm

Hanna Andersson

Size 100 cm
$23.99 $38
Old Navy Size Medium kids

View Product: Old Navy Size Medium kids

Old Navy

Size Medium kids
$13.99 $17
Cat & Jack Size 7 Plus
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View Product: Cat & Jack Size 7 Plus

Cat & Jack

Size 7 Plus
$12.99 $16.99
Kanu Surf Size 6
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View Product: Kanu Surf Size 6

Kanu Surf

Size 6
$11.99 $20
Lands' End Size 8

View Product: Lands' End Size 8

Lands' End

Size 8
$20.99 $31
SO Size 10

View Product: SO Size 10

SO

Size 10
$13.99 $23
Gap Outlet Size 8

View Product: Gap Outlet Size 8

Gap Outlet

Size 8
$12.99 $15
Gap Kids Size 10

View Product: Gap Kids Size 10

Gap Kids

Size 10
$23.99 $40
Lilly Pulitzer Size 7

View Product: Lilly Pulitzer Size 7

Lilly Pulitzer

Size 7
$20.99 $46
Janie and Jack Size 6

View Product: Janie and Jack Size 6

Janie and Jack

Size 6
$19.99 $39
Nautica Size 8

View Product: Nautica Size 8

Nautica

Size 8
$20.99 $31
Gymboree Size 8

View Product: Gymboree Size 8

Gymboree

Size 8
$16.99 $25
Cat & Jack Size 3T

View Product: Cat & Jack Size 3T

Cat & Jack

Size 3T
$10.99 $13
SO Size 5

View Product: SO Size 5

SO

Size 5
$14.99 $19
Disney Store Size 9

View Product: Disney Store Size 9

Disney Store

Size 9
$13.99 $19
St. Eve Swim Size 10

View Product: St. Eve Swim Size 10

St. Eve Swim

Size 10
$12.99 $23
Assorted Brands Size 3T
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View Product: Assorted Brands Size 3T

Assorted Brands

Size 3T
$14.99 $26
Penelope Mack Size 24 mo
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View Product: Penelope Mack Size 24 mo

Penelope Mack

Size 24 mo
$10.99 $20
Assorted Brands Size 4T
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View Product: Assorted Brands Size 4T

Assorted Brands

Size 4T
$14.99 $26
Arizona Jean Company Size Large youth

View Product: Arizona Jean Company Size Large youth

Arizona Jean Company

Size Large youth
$9.99 $15
Ruffle Butts Size 12-18 mo

View Product: Ruffle Butts Size 12-18 mo

Ruffle Butts

Size 12-18 mo
$10.99 $10
Cat & Jack Size 3T

View Product: Cat & Jack Size 3T

Cat & Jack

Size 3T
$11.99 $13
Cat & Jack Size 3T

View Product: Cat & Jack Size 3T

Cat & Jack

Size 3T
$12.99 $13
Speedo Size 8

View Product: Speedo Size 8

Speedo

Size 8
$15.99 $23
Assorted Brands Size 6

View Product: Assorted Brands Size 6

Assorted Brands

Size 6
$17.99 $31
Al & Ray Size 3T

View Product: Al & Ray Size 3T

Al & Ray

Size 3T
$10.99 $13
Joe Boxer Size 14

View Product: Joe Boxer Size 14

Joe Boxer

Size 14
$10.99 $15
Hello Kitty Size 6-12 mo

View Product: Hello Kitty Size 6-12 mo

Hello Kitty

Size 6-12 mo
$8.99 $15
Snapper Rock Size 8

View Product: Snapper Rock Size 8

Snapper Rock

Size 8
$10.99 $15
Assorted Brands Size 12

View Product: Assorted Brands Size 12

Assorted Brands

Size 12
$17.99 $31
Marvel Size 7

View Product: Marvel Size 7

Marvel

Size 7
$12.99 $20
Cat & Jack Size 4

View Product: Cat & Jack Size 4

Cat & Jack

Size 4
$12.99 $13
Assorted Brands Size 6

View Product: Assorted Brands Size 6

Assorted Brands

Size 6
$16.99 $31
Unbranded Size 6X

View Product: Unbranded Size 6X

Unbranded

Size 6X
$16.99 $31
Cat & Jack Size 7

View Product: Cat & Jack Size 7

Cat & Jack

Size 7
$12.99 $15
Janie and Jack Size 3

View Product: Janie and Jack Size 3

Janie and Jack

Size 3
$22.99 $39
Gymboree Size 8

View Product: Gymboree Size 8

Gymboree

Size 8
$14.99 $25
Gymboree Size 7

View Product: Gymboree Size 7

Gymboree

Size 7
$14.99 $25
Wave Zone Size 2T

View Product: Wave Zone Size 2T

Wave Zone

Size 2T
$10.99 $10
Gap Kids Size Large kids

View Product: Gap Kids Size Large kids

Gap Kids

Size Large kids
$21.99 $40
Gap Kids Size Large kids

View Product: Gap Kids Size Large kids

Gap Kids

Size Large kids
$19.99 $40
Baby Buns Size 24 mo

View Product: Baby Buns Size 24 mo

Baby Buns

Size 24 mo
$11.99 $20
Cat & Jack Size 4

View Product: Cat & Jack Size 4

Cat & Jack

Size 4
$11.99 $13
Cat & Jack Size 18 mo

View Product: Cat & Jack Size 18 mo

Cat & Jack

Size 18 mo
$10.99 $10
Crewcuts Size 6

View Product: Crewcuts Size 6

Crewcuts

Size 6
$20.99 $46
Cat & Jack Size 18 mo

View Product: Cat & Jack Size 18 mo

Cat & Jack

Size 18 mo
$8.99 $10
Carter's Size 2T

View Product: Carter's Size 2T

Carter's

Size 2T
$17.99 $34
Disney Size 3T

View Product: Disney Size 3T

Disney

Size 3T
$14.99 $25
Quiksilver Size 10

View Product: Quiksilver Size 10

Quiksilver

Size 10
$19.99 $31
Carter's Size 2T

View Product: Carter's Size 2T

Carter's

Size 2T
$17.99 $34
Gymgo Size 7

View Product: Gymgo Size 7

Gymgo

Size 7
$15.99 $38
Body Glove Size Small youth

View Product: Body Glove Size Small youth

Body Glove

Size Small youth
$17.99 $38
Roxy Size 12

View Product: Roxy Size 12

Roxy

Size 12
$16.99 $38
Roxy Size 12

View Product: Roxy Size 12

Roxy

Size 12
$15.99 $38
Lands' End Size 14

View Product: Lands' End Size 14

Lands' End

Size 14
$13.99 $27
Hanna Andersson Size 12

View Product: Hanna Andersson Size 12

Hanna Andersson

Size 12
$24.99 $38
Hanna Andersson Size 14

View Product: Hanna Andersson Size 14

Hanna Andersson

Size 14
$21.99 $38
Lands' End Size 16

View Product: Lands' End Size 16

Lands' End

Size 16
$13.99 $27
OshKosh B'gosh Size 3T

View Product: OshKosh B'gosh Size 3T

OshKosh B'gosh

Size 3T
$12.99 $25
Cat & Jack Size 4

View Product: Cat & Jack Size 4

Cat & Jack

Size 4
$11.99 $13
Betsey Johnson Size 7

View Product: Betsey Johnson Size 7

Betsey Johnson

Size 7
$17.99 $38
Sideout Size Small kids

View Product: Sideout Size Small kids

Sideout

Size Small kids
$13.99 $13
Gossip Girl Size 14

View Product: Gossip Girl Size 14

Gossip Girl

Size 14
$17.99 $31
Justice Size 10

View Product: Justice Size 10

Justice

Size 10
$19.99 $33
Cat & Jack Size X-Large youth

View Product: Cat & Jack Size X-Large youth

Cat & Jack

Size X-Large youth
$13.99 $15
Coral and Reef Size 8

View Product: Coral and Reef Size 8

Coral and Reef

Size 8
$13.99 $23
Roxy Size 10

View Product: Roxy Size 10

Roxy

Size 10
$18.99 $38
Lands' End Size 16

View Product: Lands' End Size 16

Lands' End

Size 16
$22.99 $35
Lands' End Size X-Large youth

View Product: Lands' End Size X-Large youth

Lands' End

Size X-Large youth
$13.99 $23
Op Size 10

View Product: Op Size 10

Op

Size 10
$12.99 $15
Nike Size Large kids

View Product: Nike Size Large kids

Nike

Size Large kids
$19.99 $36
Assorted Brands Size 10

View Product: Assorted Brands Size 10

Assorted Brands

Size 10
$15.99 $31
Carter's Size 5

View Product: Carter's Size 5

Carter's

Size 5
$20.99 $36
Cat & Jack Size Small youth

View Product: Cat & Jack Size Small youth

Cat & Jack

Size Small youth
$11.99 $15