Charles Adrian Dinsmore (July 23, 1903 – December 5, 1982) was a Canadian professional ice hockey player who played 100 games in the National Hockey League with the Montreal Maroons between 1924 and 1930. Known variously as Chas, Chuck, or "Dinny" Dinsmore, he was born in Toronto, Ontario, where he played for the amateur Toronto Aura Lee Juniors hockey team and the Toronto Argonauts football team, before eventually playing pro hockey for the Montreal Maroons.