Lorrain Lawrence "Larry Half-n-Half" Thibeault (October 2, 1915 – April 2, 1977) was a Canadian professional ice hockey forward who played 6 games in the National Hockey League for the Montreal Canadiens and Detroit Red Wings during the 1944–45 and 1945–46 seasons.

Born near Charleston Lake, Ontario, Thibeault first played senior ice hockey for the Cornwall Flyers of the Ottawa City League in 1936–37, before moving to the Hull Volants of the Ottawa District senior league for 1937–38 and 1938–39.

He left the Volants in the 1938–39 season to turn professional, joining the Springfield Indians of the International-American Hockey League.

In 1943, Thibeault signed with the Buffalo Bisons of the American Hockey League (AHL).

He played his final professional season in 1949–50 with the Victoria Cougars of the PCHL, scoring 20 goals and 48 points in 66 games.