William Forbes
Billy, Willie or William Forbes may refer to:
Financiers
- Sir William Forbes, 6th Baronet, Scottish banker
- William Forbes of Callendar, Scottish coppersmith and landowner
- William Howell Forbes, American businessman in Hong Kong
- William Hathaway Forbes, American investor in company owned by Alexander Graham Bell
Footballers
- Billy Forbes (Scottish footballer), right back who also played in Massachusetts
- Willie Forbes, Scottish wing half
- Billy Forbes (footballer, born 1990), Turks and Caicos Islands striker
Public officials
- William Forbes (Lower Canada politician), merchant and legislator
- William Forbes (MP), Scottish MP for Stirlingshire
- William Henry Forbes, American fur trader and territorial legislator
- William Cameron Forbes, American diplomat and investment banker
- William Forbes (Talamancan king), King of Talamanca, Costa Rica between 1872 and 1880.
Scholars
- William Forbes (bishop), Scottish churchman, first Bishop of Edinburgh
- William S. Forbes, American physician
- William Alexander Forbes, English zoologist
- William Trowbridge Merrifield Forbes, American entomologist
Others
- William Nairn Forbes, British military engineer
- William Forbes (railway manager), British railway manager
- William E. Forbes, member of the University of California Board of Regents