Bill Gaither

Bill or William Gaither may refer to:


 * Bill Gaither (blues musician) (1910–1970), American blues musician
 * Bill Gaither (gospel singer) (born 1936), American gospel singer
 * William S. Gaither, civil engineer and president of Drexel University
 * William Lingan Gaither, Maryland politician
 * Billy Jack Gaither, American gay murder victim