Ronald Lewis Rowan (born April 23, 1962) is a retired American-Irish basketball player.

In February 1981, he committed to play for the University of Notre Dame, then coached by Digger Phelps.

In his first season at St. John's, Rowan played in 28 games alongside Chris Mullin, Mark Jackson, Willie Glass, and Bill Wennington, as the team went 31–4.

[1] He then played in the Continental Basketball Association, earning Rookie of the Year honors in 1987 while a member of the Topeka (Kansas) Sizzlers, where he averaged 18.8 points in 44 games.

He changed teams almost every year except when he played three seasons in Kleenex Pistoia (1989–1992), where he scored 3,767 points in 117 matches.