Brian Allen Hatfield (born July 8, 1966) served in the Washington State Senate and the Washington State House of Representatives, representing the 19th Legislative District, a district that includes Cowlitz, Grays Harbor, Pacific, Lewis and Wahkiakum Counties. After serving ten years in the Washington State House of Representatives(1994–2004), Hatfield resigned in 2004 to work full-time for Lieutenant Governor Brad Owen.