Luis Saúl Moscoso (born May 13, 1950) is a former Washington State Representative from the 1st Legislative District, Position 2.
He most recently served as the Director of Government Relations for the Washington Public Employees Association/UFCW Local 365 in Olympia, Washington where he oversaw and coordinated the WPEA's Legislative-Political program and issues advocacy agendas.
Moscoso served three terms as Secretary of the Washington State Democratic Party.
He organized the Snohomish County Citizens Committee for Human Rights that wrote and promoted a local county ordinance to establish a local Human Rights Commission.
Moscoso, a first generation Peruvian American, moved from Iowa to Snohomish County, Washington in 1976 after receiving his Bachelor of Arts in Anthropology from the University of Iowa.