Dennis O'Brien (ice hockey)

Dennis O'Brien
Born (1949-06-10) June 10, 1949 (age 75)
Port Hope, Ontario, Canada
Height 6 ft 0 in (183 cm)
Weight 195 lb (88 kg; 13 st 13 lb)
Position Defence
Shot Left
Played for Minnesota North Stars
Colorado Rockies
Cleveland Barons
Boston Bruins
NHL draft 14th overall, 1969
Minnesota North Stars
Playing career 1969–1980

Dennis Francis O'Brien (born 10 June 1949) is a Canadian former professional ice hockey defenceman who played in the National Hockey League (NHL). He featured in the 1978 Stanley Cup Finals with the Boston Bruins.

O'Brien is the uncle of former NHL player Shane O'Brien.