Wesley Mitchell Obermueller (born December 22, 1976) is a former Major League Baseball pitcher.

He began his career in the Kansas City Royals organization when he was selected in the 2nd round of the 1999 Major League Baseball Draft.

Obermueller played in the Milwaukee Brewers system for three years, prior to being traded to the Atlanta Braves in the winter of 2005 for Dan Kolb.

Before the 2008 season, he signed with the Samsung Lions in the KBO League and was released in July.

This biographical article relating to an American baseball pitcher born in the 1970s is a stub.