Alexander Boyd Baird (August 31, 1891 – November 23, 1967) was a Canadian businessman and Senator.

Born in St. John's, Newfoundland Colony, he was summoned to the Canadian Senate in 1949 and represented the senatorial division of St. John's, Newfoundland and Labrador.

A Liberal, he served until he died in 1967.

Baird served as a Major in the Royal Newfoundland Regiment during World War I from 1914 to 1918.

This article about a Newfoundland and Labrador politician is a stub.