1. Fictional

William Donnelly may refer to:

• William Earnest Donnelly, New Zealand schoolteacher
• William J. S. Donnelly (1844–1914), Newfoundland politician
• William M. Donnelly (1885–1946), U.S. politician
• William Donnelly (1845–1897), member of the Black Donnellys

Fictional

• Will Donnelly, character on television series Love Is a Many Splendored Thing.

• Quasi Universal Intergalactic Denomination
• Quasivariety
• Quasi war
• Quasi-Zenith
• Quasi-Zenith Satellite System
• Quasi Zenith Satellite System
• Quas primas
• Quasqueton
• Quassia amara
• Quassia sanguinea
• Quassik
• Quassim Cassam
• Quassins
• Quassolo
• Quassy Amusement Park
• Quastor
• Quata
• Quatama/Northwest 201st Avenue (MAX station)
• Quatelet index
• Quaterback rating
• Quaterimaginary
• Quater-imaginary
• Quaterimaginary base
• Quatermain
• Quatermass (1979)