William San Bento Jr. (December 11, 1946 – September 12, 2016) was an American businessman and politician. Born in Pawtucket, Rhode Island, San Bento owned an insurance business. San Bento served in the Rhode Island House of Representatives and was a member of the Democratic Party. He represented District 75 from January 1993 until January 2003, and District 58 from January 2003 to January 2015.