Choi Sung-won (, born April 30, 1977) is a South Korean professional billiards player.
He won the 2011 AGIPI Billiard Masters, 2012 Three-Cushion World Cup, 2014 UMB World Three-cushion Championship.
In the final of the UMB World Championship, Choi defeated Torbjorn Blomdahl 40âÂÂ37.