Donald Alfred Hansen (1924-1981) was a provincial level politician from Alberta, Canada. He served as a member of the Legislative Assembly of Alberta from 1971 to 1979 sitting with the governing Progressive Conservative party.

Hansen ran for a seat to the Alberta Legislature in the 1971 Alberta general election. He won the electoral district of Bonnyville defeating two other candidates in a closely contested race to pick up the seat for the Progressive Conservatives who went on to form government in that election.^[1]

Hansen ran for a second term in the 1975 Alberta general election. He won a much larger victory compared to his result in 1971 over three challenging candidates to return to the legislature.^[2] He retired at dissolution of the assembly in 1979.