Michael U. Villarreal (born August 19, 1971 in San Antonio) is an American state politician who served as a member of the Texas House of Representatives from a district centered in north central San Antonio. Villarreal served as Chair of the House Committee on Investments and Financial Services and was a member of the House Committee on Public Education. A Democrat who served eight terms, Villarreal previously worked for San Antonio's SAMCO Capitol Markets, specializing in municipal finance.