Robert Takeo Matsui (松井 ロバート武男, Matsui Robāto Takeo) (September 17, 1941 – January 1, 2005) was an American politician from the state of California. Matsui was a member of the Democratic Party and served in the U.S. House of Representatives as the congressman for California's 5th congressional district until his death midway through his 14th consecutive term. The Robert T. Matsui United States Courthouse is named in his honor.