Stephen Michael Lewton (born 5 May 1983) is an English professional golfer who plays primarily in Asia.

In 2010 he joined the Challenge Tour, finishing 80th in the season-end standings with a best result of T5.

That winter he came through the qualifying school to secure a place on the European Tour; however after a difficult debut season he failed to retain his playing card.

For the 2012 season, he opted to take a place on the Asian Tour after earning his card in qualifying school.

His best season was 2014 when he won the Mercuries Taiwan Masters and finished tied for 4th place in the Solaire Open.