William Baird
Bil, Bill, Billy or William Baird may refer to:
Politicians
- William Baird (MP), Scottish industrialist and Tory MP for Falkirk Burghs
- William L. Baird, American mayor of Lynn, Massachusetts
- William Alexander Baird, Canadian member of Legislative Assembly of Ontario, a/k/a W. A. Baird
Sportsmen
- William Baird (footballer), Scottish centre half for Dundee
- Billy Baird (footballer), Scottish forward in Football League for Stoke
- Billy Baird, Canadian pioneering professional ice hockey player
- Bill Baird (American football), American defensive back for New York Jets
- Bill Baird (racing driver), American champion of ARCA Bondo/Mar-Hyde stock car series
Writers
- William Baird (physician), Scottish author of The Natural History of the British Entomostraca
- William Teel Baird, Canadian military historian in New Brunswick
- William Raimond Baird, American publisher of Baird's Manual of American College Fraternities
- William M. Baird, American Presbyterian missionary, diarist and man of letters
- Bill Baird (activist), American reproductive rights pioneer, founder of Pro Choice League
- Bill Baird (musician), American experimental technologist and writer for San Antonio Current since 2000
Others
- Bil Baird, American TV and film puppeteer