YES 933 is a Mandarin radio station owned by MediaCorp in Singapore. 

YES 933 began as an 18-hour station, broadcasting from 6.00AM to 12.00AM. Broadcasting hours were extended to 2AM in the early 1990s, making it the first Chinese radio station to offer music after midnight. It finally went 24 hours on 1 May 1994.

The Y.E.S. moniker was adopted in 1998. It is an acronym for Your Entertainment Station, which also translates to 顶尖流行音乐电台.