Kelompok ini telah merilis dua album penuh, tiga mini-album, dan berbagai single. Hit single 2009 mereka  yang berjudul "Gee" memegang rekor sebagai top chart lagu di KBS 's Music Bank , setelah memegang peringkat 1 chart selama 9 minggu berturut-turut. Tahun itu juga melihat grup memenangkan berbagai penghargaan, termasuk Artist of the Year berturut-turut (Daesang) penghargaan pada Seoul Music Awards , Golden Disk Awards , Melon Music Awards, dan Budaya Korea Entertainment Awards.

Kelompok itu mulai terjun ke dunia musik Jepang di akhir 2010, dengan remake Jepang tahun 2009 mereka hits Korea " Tell Me Your Wish (Genie) "dan" Gee ". Di Jepang mereka berada di bawah label Nayutawave Records, bagian dari Universal Music.

Stage Name: TaeYeon
Birth Name: Kim Tae Yeon (김태연)
Group Position: Leader & Main Vocalist
Motto: Don't do something that you'll regret later.
Nicknames: Umma, Ajumma, Kid Leader, Tete, MungTaeng (Dumb Taeyeon), Taeng, Byeon Taeng, Jelly
Languages: Korean (Fluent) , English, Chinese (Basic) , Japanese (Basic)
DOB: March 9, 1989
Homeplace: Jeonrado Jeonju
Blood Type: O
School: Jeonju Art High School
Hobbies: Swimming
Interests: Makeup, Perfume, Music
Casted: 2004 8th Annual Best Contest (Best Singer 1st Place & Grand Award) Attended SM Academy

Stage Name: Jessica

Birth Name: Jessica Jung Soo Yeon (제시카 정)
Korean Name: Jung Soo Yeon

Group Position: Main Vocalist
Nicknames: Ice Princess, Sica, Sicachu, Ajumma
Motto: Follow my heart...
Languages: Korean (Fluent) , English (Fluent) , Chinese (Basic) , Japanese (Basic)
DOB: April 18, 1989
Height: 163cm
Weight: 45kg
Blood Type: B
Sibling: Younger Sister (Krystal)
School: Korea Kent Foreign School, Graduated
Casted: 2000 SM Casting System

Stage Name: Sunny

Birth Name: Lee Sun Kyu (이순규)

Group Position: Supporting Vocalist
Nickname: DJ Soon, Sunny Bunny
Motto: Everyday Sunny Day
Blood Type: B
Languages: Korean (Fluent) , English , Chinese (Basic) , Japanese (Basic)
DOB: May 15, 1989
Height: 158cm
Weight: 43kg
Hobbies: Swimming, Video Games, Sports
Interests: Music, Fashion, reading magazines, dancing, singing & shopping.
School: Baehwa All-Girls High School
Casted: 2007 SM Casting System

Stage Name: Tiffany

Birth Name: Stephanie Hwang
Korean Name: Hwang Mi Young (스테파니 황)

Group Position: Supporting Vocalist
Nicknames: Spongebob Hwang, Fany Fany Tiffany, Mushroom, Tiffiana, JumFany, AjumNy, Ddilfany, Bam Fany
Motto: Just work hard (Practice makes Perfect)
Languages: Korean , English (Fluent) , Chinese (Basic) , Japanese (Basic), Spanish (Basic)
DOB: August 1, 1989
Height: 160cm
Weight: 50kg
Language: English
Hobbies: Flute
School: Korea Kent Foreign School, Graduated, Middle School - South Pointe (US), High School - Diamond Bar (US)
Casted: 2004 SM Casting System; 2004 CJ/KMTV (USA-LA) Contest 1st Place

Stage Name: HyoYeon

Birth Name: Kim Hyo Yeon (김효연)

Group Position: Supporting Vocalist & Main Dancer
Nicknames: Princess Fiona, Dancing Queen, Hyorengi (Tiger)
Motto: Everyone that works hard will succeed.
Languages: Korean (Fluent) , English (Basic) , Chinese (Fluent) , Japanese (Basic)
DOB: September 22, 1989
Height: 158cm
Weight: 48kg
Blood Type: AB
School: 2004.3~8 Studied Mandarin Chinese in Beijing, China
Casted: 2000 SM Casting System

Stage Name: YuRi

Birth Name: Kwon Yu Ri (권유리)

Group Position: Supporting Vocalist & Lead Dancer
Nicknames: Black Pearl & Kkamyool & Kkamchi & Ggab-Yul
Languages: Korean (Fluent), English, Chinese (Fluent), Japanese
DOB: December 5, 1989
Height: 167cm
Weight: 45kg
Blood Type: AB
School: NeungGok High School, Graduated (2008)
Casted: 2001 SM 1st Annual Youth Best Contest <Best Dancer, 2nd Place>

Stage Name: SooYoung

Birth Name: Choi Soo Young (최수영)

English Name: &#50040;&#47672; Summer
Group Position: Supporting Vocalist
Nickname: ShikShin (Food God), NaSoo (Interrupter)
Motto: Let's not procrastinate
Languages: Korean (Fluent) , English, Chinese (Basic) , Japanese (Fluent)
DOB: February 10, 1990
Height: 170cm
Weight: 48kg
Blood Type: O
School: Jungshin All-Girls High School
Casted: 2000 SM Open Audition, 2002 Korea-Japan Ultra Idol Duo Audition

Stage Name: YoonA

Birth Name: Im Yoon Ah (임윤아)
Nick names: Deer Yoona, Him Yoona (Strength Yoona), Goddess Yoong, Yoong
Motto: Be confident in everything
Group Position: Supporting Vocalist
Languages: Korean (Fluent) , English, Chinese (Basic) , Japanese (Basic)
DOB: May 30, 1990
Height: 166cm (168cm or so she states herself)
Weight: 47kg
Blood Type: B
School: Daeyoung High School, 2nd Year
Casted: 2002 SM Saturday Open Casting Audition

Seo Hyun
 

Stage Name: Seo Hyun

Birth Name: Seo Joo Hyun (서주현)
Nickname: Maknae, Seororo
Motto: If your dream is alive, then one day it will come true.
Group Position: Lead Vocalist
Languages: Korean (Fluent) , English, Chinese (Fluent) , Japanese (Basic)
DOB: June 28, 1991
Height: 168cm
Weight: 48kg
Blood Type: A
School: Daeyoung High School
Casted: 2003 SM Casting System

• Girl's Generation

1. "Girls' Generation"
2. "Ooh La-La!"
3. "Baby Baby"
4. "Complete"
5. "Kissing You"
6. "Merry-Go-Round"
7. "Tears" (그대를 부르면)
8. "Tinkerbell"
9. "7989" (Feat. Kangta)
10. "Honey" (소원)
11. "Into the New World"

• Baby Baby

Baby-baby album repack dari abum Girl's Generation yang dirilis pada tanggal  17 Maret 2008

Track added :

1. "Kissing You" (Skool Rock Remix)
2. "Let’s Go Girls' Generation" (long)
3. "Let’s Go Girls' Generation" (short)

 

•  Gee

Gee di rilis dalam bentuk mini abum dan hanya berisi 5 lagu.

Track list :

1. "Gee"
2. "Way To Go!" (힘내!)
3. "Dear Mom"
4. "Destiny"
5. "Let's Talk About Love"(힘들어하는 연인들을 위해)

 

•  Genie (Tell Me Your Wish)

Genie juga berbentuk mini album terdiri dari 6 lagu salah satu singlenya digunakan untuk judul abum ini. Genie dirilis tanggal 29 Juni 2009

Track list :

1. "Tell Me Your Wish (Genie)" (소원을 말해봐 (지니))
2. "Etude" (에뛰드)
3. "Girlfriend" (여자친구)
4. "Boyfriend" (남자친구)
5. "My Child" (동화)
6. "One Year Later" (1년 後) by Jessica & Onew

 

• Oh!

Setelah lama vakum akhirnya SNSD kembali dengan keluarnya album Oh!. yang di launching tanggal 28 Januari 2010. Abum ini berupa full album dan disana tercantum ada 12 lagu termasuk Gee dan Genie sebaga bonus track

Track list :

1. "Oh!"
2. "Show! Show! Show!"
3. "뻔 & Fun (Sweet Talking Baby)"
4. "영원히 너와 꿈꾸고 싶다 (Forever)"
5. "웃자 (Be Happy)"
6. "화성인 바이러스 (Boys & Girls)"
7. "카라멜 커피 (Talk To Me)"
8. "별별별 (☆★☆)"
9. "무조건 해피엔딩 (Stick Wit U)"
10. "좋은 일만 생각하기 (Day By Day)"
11. "Gee"
12. "소원을 말해봐 (Genie)"

• Run Devil Run

Album yang satu ini merupakan hasil repack dari album sebelumnya. Dengan konsep baru yang bernama "Black SoShi". Hanya ada tambahan 3 lagi pada album yang dirilis tanggal 22 Maret 2010.

Track added :

1. "Run Devil Run"
2. "Echo"
3. "별별별 (☆★☆) (Acoustic R&B version)"

• Hoot

SNSD mengeluarkan mini albumnya yang ketiga yang berjudul Hoot (mungkin plesetan dari Hood). Album ini berkonsep agen rahasia (Bond Girls). Di launching pada tanggal 25 Oktober 2010, bahkan sebelum launching sudah ada pre order sebanyak lebih dari150 ribu keping. Jika anda membeli versi originalnya akan mendapat bonus hadiah spesial, foto card (ada 18 jenis), dan poster pastinya seperti album sebelumnya.

Track list :