Henry Alfred Mullins (August 27, 1861 – July 8, 1952) was a Canadian exporter, farmer, and politician.

Born in Oswestry, England, the son of James and Margaret Mullins, Mullins was educated in Lindsay, Ontario.

In 1899, he was elected as the Conservative candidate to the Legislative Assembly of Manitoba for the electoral district of Russell.

During World War I, he was a Colonel, Inspector of Supplies and Transport.

In 1935, he was summoned to the Senate of Canada for the senatorial division of Marquette, Manitoba on the advice of Prime Minister R. B. Bennett.