Ronald Leo Lalonde (born October 30, 1952) is a Canadian former professional ice hockey player.

He played in the National Hockey League with the Pittsburgh Penguins and Washington Capitals between 1972 and 1979.

[1] He played junior in the Ontario Hockey League before turning professional with the Hershey Bears in 1972–73.

During his time with the Capitals, he became the first player in franchise history to record a hat trick on March 30, 1975 against the Detroit Red Wings.

This biographical article relating to a Canadian ice hockey centre born in the 1950s is a stub.