- Source: Billy Mays (disambiguation)
Billy Mays (1958–2009) was an American salesperson and pitchman for various infomercials.
Billy Mays or William Mays may also refer to:
Billy Mays (footballer) (1902–1959), Welsh footballer
Bill Mays (born 1944), American jazz pianist
Willie Mays (1931–2024), American baseball player
William Mayes (disambiguation)
William May (disambiguation)