Hector Lang (September 5, 1871 – March 11, 1952) was a provincial level politician from Alberta, Canada.

He served as a member of the Legislative Assembly of Alberta from 1928 to 1935 sitting with the opposition Liberal caucus.

Lang ran for a seat to the Alberta Legislature in a by-election held in the Medicine Hat electoral district on May 1, 1928.

[1] Two years later Lang would run for a second term in office in the 1930 Alberta general election.

He would be defeated in a landslide by Social Credit candidate John Robinson finishing a distant second in the three way race.