Louis Williams may refer to:
Sports Louis Williams (American football) (born 1979), American football player Louis Williams (footballer) (1889–?), English football (soccer) player Lou Williams (born 1986), American basketball player
Others Louis Williams (sailor) (1845–1886), American sailor Louis Williams (architect) (1890–1980), Australian architect Louis L. Williams, director of the Centers for Disease Control and Prevention Louis Otho Williams (1908–1991), American botanist Pete Williams (journalist) (Louis Alan Williams, born 1952), American television correspondent
See also Lewis Williams (disambiguation)