Robert DiMaio (born February 19, 1968) is a Canadian former professional ice hockey player.
He played in 894 National Hockey League (NHL) games with the New York Islanders, Tampa Bay Lightning, Philadelphia Flyers, Boston Bruins, New York Rangers, Carolina Hurricanes, and Dallas Stars.
DiMaio was first drafted by the New York Islanders 6th round, 118th overall in the 1987 NHL Entry Draft, and captained their minor league Springfield Indians affiliate to a Calder Cup championship in 1990; he was the final active NHL player of the Indians' franchise.
Over the course of his career, he played for the Islanders, Boston Bruins, New York Rangers, Philadelphia Flyers, Carolina Hurricanes, Dallas Stars, and was one of the original Lightning players during Tampa's inaugural season.
He suffered a severe concussion after a controversial hit by Montreal Canadiens forward Guillaume Latendresse during the 2006 preseason, which ended his career.