Douglas John Ericksen (January 28, 1969 – December 17, 2021) was an American politician and lobbyist who served as a member of the Washington State Senate, representing the 42nd district from 2011 to 2021. Ericksen was the ranking member of the body's Energy, Environment, and Telecommunications Committee. In April 2019, he registered as a foreign agent to consult and lobby for Hun Sen, Prime Minister of Cambodia.