Brian Erichsen (born 18 August 1977 in Winnipeg, Manitoba, Canada) is a Canadian rugby union coach and former player.
He played for the Canada national side and was part of the Canada squad at the 2011 Rugby World Cup.
He played as a lock and made his Canada debut in 2009 against Russia and now has 5 caps in total.
He is head coach of the Denver Barbarians RFC XV's sides.