Halder Smith Kirby (October 3, 1863 – July 12, 1924) was a Canadian ice hockey player, doctor and druggist.

There were three boys, Chauncey, Halder and Richmond and three girls, Elizabeth, Emma and Laura.

Halder Kirby helped found the Ottawa HC in 1883.

He played for Ottawa in the inaugural Amateur Hockey Association of Canada (AHAC) season of 1886–87.

This biographical article relating to a Canadian ice hockey player is a stub.