Julio Alberto Mañón [mah'-nion] (born June 10, 1973) is a Dominican former professional baseball relief pitcher.

Mañón was originally signed as an undrafted free agent by the St. Louis Cardinals in 1993.

He spent the 2005 season in Taiwan, with the Uni-President Lions of the Chinese Professional Baseball League.

[1] Mañón came back to baseball in the United States in 2006, when he signed a minor league contract with the Baltimore Orioles on March 6.

On September 12, 2008, Mañón signed with the Long Island Ducks of the Atlantic League.