Byron Archambault (born October 18, 1990) is a former professional gridiron football linebacker and is the special teams coordinator, linebackers coach, and director of player personnel for the Montreal Alouettes of the Canadian Football League (CFL).

After initially committing to play for the Western Mustangs, a break-in at his family home convinced him to play CIS football in his hometown with the Montreal Carabins for head coach Danny Maciocia.^[1] He played for the Carabins from 2011 to 2014 where he was named a CIS First Team All-Canadian and the RSEQ Defensive Player of the Year in 2014. In the 50th Vanier Cup game, played in Montreal in 2014, Archambault recorded three solo tackles, one assisted tackle, and one fumble recovery in the Carabins' 20–19 victory over the McMaster Marauders, which was the first national championship in program history.^[2]

Archambault was drafted in the second round, 17th overall, in the 2015 CFL Draft by the Hamilton Tiger-Cats and signed with the team on May 26, 2015.^[3][4] He made the team following training camp and made his professional debut on June 26, 2015, against the Calgary Stampeders.^[5] He played in the team's first nine games until he tore his ACL while running downfield on a kickoff in a game against the Montreal Alouettes on August 27, 2015.^[6] He returned to his hometown, Montreal, for rehabilitation and returned to play almost exactly one year later on August 28, 2016, where he had one special teams tackle against the Stampeders.^[5][6] However, he became injured again and was transferred to the six-game injured list on September 1, 2016, where he finished the 2016 season.^[7] He retired from the CFL in the following off-season and formally submitted his retirement documentation on April 10, 2017.^[8]