Brock Ralph (born 7 July 1980) is a Canadian former professional football slotback and wide receiver.
Ralph was born to Jim and Shelly Ralph in Raymond, Alberta, and attended Raymond High School, where his junior and senior football teams won consecutive provincial titles with a 25–1 record and Ralph was named the league's Most Valuable Player.
He is the older brother to retired Calgary Stampeders slotback Brett Ralph.
In addition to football, he played basketball and was the provincial champion in the 100 metres and triple jump.
This biographical article relating to a Canadian football wide receiver is a stub.