William Kay
William Kay may refer to:
Politicians
- William Kay businessman and politician in South Australia
- William A. Kay, American politician
- William Frederic Kay, Canadian politician
Sports
- William Kay , Australian cricketer
- Will Kay, rugby player
- Bill Kay , outfielder in Major League Baseball
- Bill Kay , former American football player, a defensive back for the Houston Oilers.
- Bill Kay , American football player, a tackle for the New York Giants.
- Billy Kay , Australian professional wrestler
Baronets
- Sir William Kay, 2nd Baronet of the Kay baronets
- Sir William Algernon Kay, 5th Baronet of the Kay baronets
- Sir William Algernon Ireland Kay, 6th Baronet CMG DSO of the Kay baronets
Others
- William Kay, British financial and business journalist
- William Kay , Anglican Provost of Blackburn
- William Kay , English cleric and academic
- Billie Kay, Australian professional wrestler
- Billy Kay , American film and television actor
- Billy Kay , writer, broadcaster and language activist
- William Kay, namesake of Kaysville, Utah