Sanha born in Seoul, South Korea on March 21, 2000. He was accepted as a trainee in Fantagio when he was just 12 year old. Prior to his debut with Astro, he appeared alongside the rest of the members in the web drama To Be Continued.
Sanha officially debuted as a member of Astro with the mini album Spring Up on February 23, 2016.
On September 14, 2020, Sanha debuted alongside Moonbin in Astro's first subunit with the release of the EP In-Out.
On September 16, 2021, Fantagio confirmed that Yoon San-ha will be starring in a web drama Your Playlist which premiered on October 15, 2021. On October 7, Sanha was confirmed to make his television drama debut in the romantic comedy Crazy Love which will air in February 2022. On November 19 2021, It was revealed that Sanha has been cast in the South Korean production of hit Off-Broadway musical Altar Boyz. He will play the role of Abraham and will star alongside Golden Child's Y and Joochan, NU'EST's Baekho and SF9's Taeyang.
IIII. Television Dramas
IIIII. Web Series
|2015||To Be Continued||Sanha||MBC Every1|
|2019||Soul Plate||Angel Mirel||Naver TVCast|
|2019-2020||Love Formula 11M||Tae Oh||Naver TVCast|
|2021||Your Playlist||Big Daddy||Hello Live|
IIIIII. Variety Shows
|2018||King of the Masked Singer||Contestant||MBC|
|2019||Law of the Jungle - Myanmar||Cast Member||SBS|
- He learned to play guitar from his dad and brothers.
- He has flexible body, he can fit in a bag or in a cupboard.
- He is allergic to seafood.
- He can’t drink coffee.