K Street

K Street may refer to:
 * K Street (Sacramento), a street in Sacramento, California, United States
 * K Street (TV series), a 2003 HBO television series about lobbyists
 * K Street (Washington, D.C.), a street in Washington, D.C., United States
 * Lobbying industry in the United States, metonymically, as many lobbyists have traditionally had offices on the Washington, D.C., street