Charles Herman Williams (December 20, 1943 – September 10, 2005) was an American baseball umpire who officiated in the National League from 1978 to 1999, and in both leagues in 2000. In 1993 he became the first African American umpire to work behind home plate in a World Series game. He wore uniform number 25. Williams was born in Denver, Colorado, attended George Washington High School, and became an All-America football player at Long Beach City College, later attending California State University, Los Angeles.