"Happiness is doubled when you share them together, and sadness is halfed when you share them together." —Yoona
Im Yoon Ah (born May 30, 1990), better known by her mononym, Yoona, is a South Korean singer and actress. She is a lead dancer, supporting rapper, supporting vocalist, and the visualist in K-pop girl group, Girls' Generation, as well as a member of the Girls' Generation subunit Oh!GG. Yoona was a trainee under S.M. Entertainment for seven years and two months. As an actress, Yoona is best known for her roles in Love Rain, Prime Minister and I and You Are My Destiny.
Yoona was born on May 30, 1990, in Seoul, South Korea. She grew up with her father and older sister, whose names are unknown. She was cast in 2002 SM Saturday Open Casting Audition and began to train with the other trainees under S.M. Entertainment in the areas of acting, singing, and dancing.
She trained with SM for 5 years, after which she joined and debuted under Girls' Generation. She is a 2009 graduate of Daeyoung High School and attended Dongguk University with fellow member, Seohyun, receiving her degree in Theatre in 2015, Yoona also gained a Lifetime Achievement Award from the university.
- Name: Im Yoon Ah (임윤아).
- Stage name: Yoona (윤아).
- Nick names: Deer Yoona, Him Yoona (Strong Yoona), Goddess Yoong, Yoong.
- Position: Lead dancer, supporting rapper, supporting vocalist, visual (Face-of-the-group).
- Birth date: May 30, 1990.
- Horoscope: Gemini.
- Birth place: Seoul, South Korea.
- Blood Type: B.
- Height: 168 cm (5'6").
- Weight: 48 kg (97.0034 lbs).
- Religion: Christian.
- Education: British School, Dongguk University (Theater Major).
- Languages: English (Basic), Chinese (Basic), Japanese (Basic).
- Hobbies: Movies and music.
- Favorite time: A morning when I have free time.
- Favorite color: Purple, blue.
- Favorite food: Ice cream.
- Motto: "Be confident in everything".
- Roommate: Taeyeon & Sooyoung (Old Dorm), Yuri (New Dorm).
- Personality: Self reliant, modest, humble, observant, fairly quiet, polite, a little dorky.
- Name Meaning: In Korean, Yoona means 'soft beauty.'
- [2010.08.30] Innisfree day
- [2007.07.14 - 2007.09.09] 9 End 2 Outs (9회말 2아웃) - Shin Joo Young
- [2008.02.02 - 2008.08.03] Woman of Matchless Beauty, Park Jung Kum (천하일색 박정금) - Mi Ae (Cameo)
- [2008.05.05 - 2009.01.09] Neoneun Nae Unmyeong (너는 내 운명; You Are My Destiny) - Jang Sae Byuk
- [2009.04.15 - 2009.06.04] Cinderella Man (신데렐라맨) - Seo Yeo Jin
- [2010.02.10 - 2010.07.11] Family Outing Season 2
- [2012.03.26 - 2012.05.29] Love Rain (사랑비) - Kim Yoon Hee in the 70's/Jung Ha-Na (Yoon-Hee's daughter)
- [2013.12.09 - 2014.02.04] Prime Minister and I (총리와 나) - Nam Da-Jung
- [2015.10.07 - 2015.11.25] Because It's The First Time (처음이라서) - herself
- [2016.04.03 - 2016.05.07] - God of War, Zhao Yun - Xiahou Qingyi / Ma Yurou
- [2016.09.23 - 2016.11.12] The K2 (더 케이투) - Go An-na
- [2017.07.17 - 2017.09.19] The King in Love (왕은 사랑한다) - Eun San / So Ah
- [2004.12.07] Dong Bang Shin Ki - Magic Castle
- [2006.06.07] Super Junior - U
- [2006.11.06] TSZX the Grace - Passion (My Everything)
- [2007.09.20] Super Junior - Marry U
- [2008.10.21] Lee Seung Chul - Propose
- [2009.03.12] 24/7 - That Guy's Woman
-  Sanyo Eneloop
-  Teun Teun English "Follow Me"
-  elite
-  Sunkist Lemonade
-  Clean & Clear
-  ssolaC Vitamin C
-  YeJiMiIn wise beauty
- [2009 - 2010] Innisfree
-  Caribbean Bay
-  S-Oil
- [2011 - 2013] Eider
-  SK Telecom LTE
-  Alcon
- [2008.11.10] Korean Drama Festival: Netizen Popularity Award - You Are My Destiny
- [2008.12.31] KBS Drama Acting Awards: Best New Actress - You Are My Destiny
- [2008.12.31] KBS Drama Acting Awards: Netizen Popularity Award - You Are My Destiny
- [2009.02.27] PaekSang Arts Awards: Best New Actress - You Are My Destiny
- [2009.02.27] PaekSang Arts Awards: Netizen Popularity Award - You Are My Destiny
- [2010.03.26] PaekSang Arts Awards: Netizen Popularity Award - Cinderella Man
-  KBS Drama Awards - Netizen Award - Love Rain
-  KBS Drama Awards - Excellence Award, Actress in a Miniseries - Prime Minister and I
-  KBS Drama Awards - Best Couple Award (With Lee Bum Soo) - Prime Minister and I
| To view the Yoona gallery, click here.