Todd Brost (born 23 September 1967 in Calgary, Alberta) is a former Canadian ice hockey player and head coach.
He played Tier II Junior "A" for the Penticton Knights from 1983 to 1985 and then joined the University of Michigan from 1985 to 1989. Undrafted by any NHL team, he played for the Canadian National Team from 1988 to 1992. He won a silver medal playing at the 1992 Winter Olympics.
Brost played in 1992-93 for the Salt Lake Golden Eagles, rejoined the Canadian team in 1993-94, and finished off with the Huntington Blizzard in 1994-95.
Brost has been a head coach in the WPHL with the El Paso Buzzards (1996–2000), and in the UHL with the Elmira Jackals (2000–05). He won the WPHL's Coach of the Year award for the 1996-97 season.