William A. Reid may refer to:

• William Allan Reid (1865-1952), British Conservative party politician
• William Arbuckle Reid (born 1933), British curriculum theorist
• William Reid (basketball) (1893-1955), American basketball coach and administrator
• William Reid (musician) (born 1958), guitarist with The Jesus and Mary Chain

• Richard Arthur Smith
• Richard Arthur Warren Hughes
• Richard Arvey
• Richard Arès
• Richard Ashcroft discography
• Richard Asher
• Richard Ashman
• Richard Ashmole Cooper
• Richard A. Shweder
• Richard Askey
• Richard A Sossi
• Richard A. Sossi
• Richard Astley
• Richard A. Talbert
• Richard A. Tapia
• Richard Atcherley
• Richard Atkinson
• Richard Atkinson Robinson
• Richard A. Tonry
• Richard Attenbrough
• Richard at the Lee
• Richard at the lee
• Richard Attias
• Richard Attipoé
• Richard Attree