Alfred Henry Carroll (March 2, 1846^[1] – June 9, 1924^[2]) was a politician in Manitoba, Canada. He served in the Legislative Assembly of Manitoba from 1903 to 1914, as a member of the Conservative Party.

Carroll was born in the township of West Zorra, Oxford County, Canada West (now Ontario),^[3] the son of Daniel Carroll. He was educated at Woodstock, and first worked in the lumbering trade in Virginia. Carroll next was a merchant in Walkerton, Ontario.

He was first elected to the Manitoba legislature in the 1903 provincial election,^[4] defeating Liberal candidate John Watson by twelve votes in South Brandon. The Conservatives won this election, and Carroll served in the legislature as a backbench supporter of Rodmond Roblin's administration.

He was re-elected by nine votes in the 1907 election, and by ten votes in 1910. He did not seek re-election in 1914.^[4]

He married Mary Ellen Dent in 1877. In 1881, he came to Manitoba, where he was a farmer. Carroll served as a councillor and reeve for the Rural Municipality of Oakland. In religion, he was a member of the Church of England.^[1]

In 1915, Carroll moved to Beachville, Ontario, where he died at the age of 78.^[2]