Daisuke Maruyama (丸山 大輔, Maruyama Daisuke, born 16 March 1971) is a Japanese professional golfer currently playing on the Japan Golf Tour.

Maruyama was born in Chiba Prefecture and played his first full season on the Japan Golf Tour in 2001.

In 2009, Maruyama won the Asia-Pacific Panasonic Open, a tournament that brings together players from the Japanese and Asian golf tours.

Maruyama played on the PGA Tour in 2006 and 2007 after finishing T7 at the 2005 qualifying school.

*Note: The 2013 Bridgestone Open was shortened to 54 holes due to weather.