John Taylor Doolittle (born October 30, 1950), is an attorney and an American politician. Elected to Congress in 1990, he served as a Republican member of the United States House of Representatives from 1991 to 2009, representing California's 4th congressional district (numbered as California's 14th congressional district during his first term). In the 109th Congress, he held a leadership role as the Deputy Whip for the Republican party in the House. He was succeeded in the House of Representatives by Tom McClintock. Before being elected to Congress, he had served in the California State Senate from 1984 to 1991.