Matthew Kevin Thaiss (born May 6, 1995) is an American professional baseball catcher in the Los Angeles Angels organization.
Thaiss attended Jackson Memorial High School in Jackson Township, New Jersey. During his career he batted .343 with 17 home runs and 70 runs batted in (RBI). He was drafted by the Boston Red Sox in the 32nd round of the 2013 Major League Baseball Draft, but did not sign and attended the University of Virginia where he played for the Virginia Cavaliers.
As a freshman at Virginia in 2014, Thaiss played in 26 games with 16 starts at designated hitter. In 68 at-bats he hit .265 with seven RBI. As a sophomore in 2015, Thaiss started 67 of 68 games, batting .323/.413/.552 with 10 home runs and 64 RBI.