Ryan Ashley Radmanovich (born August 9, 1971) is a Canadian former baseball outfielder.

He played part of one season in Major League Baseball (MLB), appearing in 25 games for the Seattle Mariners in 1998, primarily as a right fielder.

Radmanovich went on to play 25 games with the Seattle Mariners.

He was a starting right fielder for Team Canada in the 2004 Summer Olympic Games in Athens, Greece.

This biographical article relating to a Canadian baseball outfielder is a stub.