José Omar Acevedo (born December 18, 1977) is a retired right-handed Major League Baseball pitcher who last played for the Baltimore Orioles organization.

Acevedo played previously with the Cincinnati Reds from 2001–2004 and the Colorado Rockies from 2005 to 2006.

He is a cousin of Hall of Fame pitcher Juan Marichal.

Acevedo was released by the Baltimore Orioles on March 12, 2007.

This biographical article relating to a Dominican Republic baseball pitcher is a stub.