Marc-Olivier Vallerand (born April 17, 1989) is a Canadian professional ice hockey player who is currently playing for ICEHL side HK Olimpija. Vallerand previously iced with the Sheffield Steelers in the UK's Elite Ice Hockey League (EIHL). Undrafted, Vallerand previously played with the Greenville Road Warriors of the ECHL, and the Odense Bulldogs in the Danish AL-Bank Ligaen during the 2013-14 season. After a season with HC Eppan Pirates of the Italian Serie A, Vallerand continued his journeyman career in returning to North America briefly before signing a contract in Switzerland.