Gordon Alexander Forster (April 30, 1884 – July 23, 1964) was a provincial politician from Alberta, Canada. He served as a member of the Legislative Assembly of Alberta from 1921 to 1935 sitting with the United Farmers caucus in government.

Forster ran for a seat to the Alberta Legislature in the 1921 Alberta general election as a United Farmers candidate in the electoral district of Hand Hills. He defeated incumbent Robert Eaton in a two-way race with one of the biggest margins of victory polled in the election.^[2]

Forster ran for re-nomination at a party convention held on June 5, 1926 in Hanna, Alberta. He defeated three other candidates to run for the United Farmers.^[3] He ran for a second term in office in the 1926 Alberta general election. His popular vote was almost cut in half, but he still held his seat easily defeating two other candidates.^[4]

Forster ran for a third term in office in the 1930 Alberta general election. He would survive a two-way race hanging on to his seat in a close contest over Independent candidate J.L. Newman.^[5]

Forster retired from provincial office at dissolution of the Assembly in 1935 and died in 1964.^[6][7]