Nick names: Deer Yoona, Him Yoona (Strength Yoona), Goddess Yoong, Yoong
Phương châm: Tự tin trong bất cứ việc gì.
Vị trí trong nhóm: hát phụ, hát bè
Ngoại ngữ: Korean (Fluent) , English, Chinese (Basic) , Japanese (Basic)
DOB: May 30, 1990
Chiều cao: 166cm (168cm hoặc là cô ấy tự định chiều cao cho mình)
Cân nặng: 47kg
Nhóm máu: B
Trường học: Daeyoung High School, năm thứ 2
Giải thưởng: 2002 SM Saturday Open Casting Audition
Kinh nghiệm: -2004 TVXQ's Magic Castle MV -2006 Sanyo Eneloop CF -2006 Teun Teun English 'Follow Me' CF -2006 TVXQ First Concert guest appearance -2006 Super Junior's U MV -2006 TZSX's ?‚¾?ƒ³?ƒ?‚¤ (My Everything) MV -2007 Elite CF with SS501 -2007 Sunkist Lemonade CF w/ Super Junior's Kangin, Heechul | Version 2 -2007 Clean and Clear CF -2007 MBC drama - 9 Hits, 2 Outs -2007 Super Junior's Marry U mv -2008 Lee Seung Chul's 'Propose' MV -2008 Sola VitaminC CF -2008 YeJiMiIn wise beauty CF -2008 Clean and Clear CF -2008 MBC - Park Jung Geum -2008 KBS drama - You are my Destiny -2008 Korea Drama Festival - Best New Actress Award -2008 Korea Drama Festival - Netizens popularity award -2009 Baeksang Awards - Best New Actress Award -2009 Baeksang Awards - Heiwon Popularity Award -2009 24/7's Thats guy's girl MV -2009 MBC Drama - Cinderella Man -2009 Clean and Clear CF with Kim So Eun -2009 Innisfree CF -Cindy the Perky, eCole, Dasoo magazines