Tiffany Young, formerly known mononymously as Tiffany (티파니), is a Korean American singer under Paradigm Talent Agency. She was a member of the Korean pop girl group Girls' Generation. In October 2017, she didn't renew the contract with the group, along with Sooyoung and Seohyun.
- Stage Name: Tiffany (티파니), Tiffany Young
- Birth Name: Stephanie Hwang (스테파니 황)
- Korean Name: Hwang Miyoung (황미영)
- Nicknames: Spongebob Hwang, Fany Fany Tiffany, Human Jukebox, Mushroom
- Birthdate: August 1, 1989
- Birthplace: San Francisco, California, United States of America
- Blood Type: O
- Height: 164cm
- Weight: 50kg
- Religion: Christian
- Siblings: Brother (Leo), Sister (Michelle)
- Hobbies/ Skills: Playing the Flute, English
- Education: Korea Kent Foreign School, South Pointe High School, Diamond Bar High School
- Languages: Korean (Fluent), Chinese (Conversational), Japanese (Conversational), Spanish (Basic)
- Relationship: Nichkhun (2PM) (2014–2015)
- Official Fanclub: Young One (영원)
- Her father was initially against her decision to become a singer after she was casted to become an SM Entertainment trainee. After she cried "If you don't let me do this, you are going to ruin my life!", "There's nothing I can do but this", and "Believe in me" he eventually gave in to her wishes.
- She was an SM Entertainment trainee for three years and seven months and was discovered at the 2004 SM Entertainment casting system.
- Her favorite color is pink.
- Her motto is "Just work hard (Practice makes Perfect)".
- [2011.11.25 - 2012.01.29] Fame - Carmen Diaz
Commercials / Endorsements
-  Nexon Mabinogi
-  A-Solution (Until 2010)
-  SK Telecom 1682 Collect Call
-  Global Hope
-  12Plus (Thailand)
-  Chanel
-  Bean Pole
-  Levi's
TV Music Shows
- I Just Wanna Dance