Calvin Armstrong (born March 31, 1982 in Centralia, Washington) is an offensive lineman in the Canadian Football League who is currently a free agent. He was originally drafted by the Philadelphia Eagles in the sixth round of the 2005 NFL Draft. He has also played in the CFL for the Edmonton Eskimos and the Toronto Argonauts. He played college football at Washington State.
Armstrong attended Centralia High School where he stood out in football and basketball.
At Washington State University, Armstrong was a two time All-Pac-10 player and an integral member of 2002 WSU Rose Bowl team and 2003 Holiday Bowl team.