Oh Yoon-ah began her career as a racing model and in 2000 she won the first Cyber Race Queen Contest.[1] She became an entertainment reporter for MBC’s Section TV in 2003.
Oh made her acting debut in 2004 TV series Into the Storm, but it was her supporting role as the heroine’s friend in hit sitcom Old Miss Diary that made her into a household name.[2] She continued acting on television, starring in That Woman, Mr. Goodbye, Surgeon Bong Dal-hee, Master of Study, Marry Me, Please, and notably Alone in Love, for which she won Best Supporting Actress at the 2006 SBS Drama Awards
Husband: advertiser Song Hoon but divorced in 2015. They share one son.