Stephen Cambreleng Cowper (born August 21, 1938) is an American Democratic politician who was the sixth governor of Alaska from 1986 to 1990.

In 1982, Cowper ran for governor, but narrowly lost the Democratic nomination to Bill Sheffield, who went on to win the general election.

[3] Cowper ran for governor again in 1986, and defeated incumbent Sheffield in the August 26 primary by a 2–1 margin.

[3] He eventually won the November 4 general election, winning 47% of the vote against Republican state Senator Arliss Sturgulewski and Alaskan Independence Party candidate Joe Vogler.

[4] Since 1991, he has been the CEO of Steve Cowper & Associates, a group that advises companies and governments on energy-related initiatives.