Sam Colquhoun (born 20 December 1994) is a former professional Australian rules footballer who played for the Port Adelaide Football Club in the Australian Football League (AFL).

Colquhoun was South Australia's Most Valuable Player and an All-Australian at the 2012 AFL Under 18 Championships.^[1] He was then invited to train with Port Adelaide and Essendon prior to the 2013 Pre-season Draft, Port committed to selecting him with their sole pick, the team he supported growing up.^[2] He made his debut for Port Adelaide in Round Seven 2013, against Richmond. He had a solid Finals series in 2013, providing trustworthy disposals off half back against Collingwood and Geelong.

Colquhoun had a tough 2014. He struggled for game time in the pre-season and was left out of the round one team. He then played a handful of games for the Magpies before injuring his knee and requiring a full reconstruction ending his season.

After recovering from a knee reconstruction in 2014, Sam had a solid year in 2015, playing 6 games at AFL level and showing his consistency at SANFL level. He played 14 games at SANFL level, averaging 21 touches and 3 tackles a game. He was promoted to the AFL lineup against Geelong and played 6 of the next 8 matches. His best games came against Sydney and Carlton, before heading back to the SANFL for the finals.

Colquhoun was delisted at the conclusion of the 2016 season.^[3]