Toomas "Tom" Arusoo (born July 22, 1948) was a Canadian competition swimmer who swam for Canada in several international meets including the 1968 Summer Olympics in Mexico City.

Tom Arusoo's parents were both competitive athletes in Estonia; his father was a national champion swimmer in long-distance freestyle, and his mother was the second-ranked tennis player in the country.

[1] The university offered Arusoo a scholarship and he swam for the Michigan Wolverines swimming and diving team in National Collegiate Athletic Association (NCAA) and Big Ten Conference competition.

At the 1968 Summer Olympics, Arusoo was a member of Canada's seventh-place 4x100-metre medley relay team, swimming the butterfly leg.

[2] At his final international meet, the 1970 Commonwealth Games in Edinburgh, Arusoo won the gold medal in the 200-metre butterfly (2:08.97).