Carlos Javier Muñiz (born March 12, 1981) is an American former Major League Baseball relief pitcher.

Muñiz made his major league debut on September 25, 2007.

Muñiz was called up to the Mets on May 27, 2008, to replace injured pitcher Matt Wise in the bullpen.

He was then sent back down to the New Orleans Zephyrs, which was the Mets Triple-A affiliate prior to 2009.

This biographical article relating to an American baseball pitcher born in the 1980s is a stub.