Yolexis Ulacia Carrazana (born 1978) is a Cuban baseball relief pitcher.
After nine seasons in the Cuban leagues (through the 2007-2008 campaign), he had gone 50-38 with 68 saves and a 3.24 earned run average (ERA) in 334 games for Villa Clara.
Ulacia was the winning pitcher in the Cuban Serie Nacional All-Star Game in both 2003 and 2004.
After 26 games in 2008-2009, he had 17 saves and made the Cuban roster for the 2009 World Baseball Classic.
The run came on a hits by Munenori Kawasaki and Shuichi Murata surrounding a bunt by Norichika Aoki.