William Byrd (disambiguation)

William Byrd (circa 1540–1623) was an English composer.

William Byrd may also refer to:


 * William Byrd I (1652–1704), Virginia colonist
 * William Byrd II (1674–1744), colonial Virginia planter, author, and founder of Richmond
 * William Byrd III (1728–1777), American racehorse owner
 * William Byrd (baseball player) (1907–1991), American professional baseball player
 * William Byrd Traxler Jr. (born 1948), federal judge on the U.S. Court of Appeals for the Fourth Circuit
 * William Byrd, African-American man who was lynched in Brentwood, Georgia on May 28, 1922
 * William A. Bird, often spelled Byrd, state legislator in Florida
 * William M. Byrd (1819–1874), justice of the Supreme Court of Alabama