Thomas Elias DeSylvia (September 29, 1924 – December 6, 2002)[1] was a high school and college football head coach at various high schools in Portland, Oregon and for one season at Portland State.

[2] During his tenure at Oregon State, DeSylvia competed in the 1948 East–West Shrine Game, served as team captain in 1949 and was selected to the Oregon State University Sports Hall of Fame in 1994 for his accomplishments.

[1][3] After leaving professional football, DeSylvia began his coaching career.

He was noted for his time as head football coach at Jefferson High School in Portland between 1953 and 1961.

[1][4] In addition to the championships, DeSylvia led Jefferson to an Oregon large-school record of 34 consecutive victories between 1957 and 1959, in addition to coaching future Heisman Trophy winner Terry Baker and Pro Football Hall of Fame member Mel Renfro.