William Drummond or Bill Drummond is the name of:
- William Drummond of Hawthornden (1585âÂÂ1649), Scottish poet, influenced by Spenser; best known for illustrated essay, Cypresse Grove
- William Drummond (colonial governor) (c. 1617âÂÂ1677), Scottish administrator in the Province of Carolina; participant in Bacon's Rebellion
- William Drummond, 1st Viscount Strathallan (1617âÂÂ1688), Scottish soldier and politician
- William Drummond, 2nd Viscount Strathallan (1670âÂÂ1702)
- William Drummond, 3rd Viscount Strathallan (1694âÂÂ1711)
- William Drummond, 4th Viscount Strathallan (1690âÂÂ1746), Scottish-English supporter of the Jacobite cause; died in the Battle of Culloden
- William Abernethy Drummond (c. 1719âÂÂ1809), Bishop of Edinburgh
- William Drummond of Logiealmond (c. 1770âÂÂ1828), Scottish classical scholar, philosopher, diplomat, and MP in Scotland and England
- William Hamilton Drummond (1778âÂÂ1865), poet
- William Drummond, 7th Viscount Strathallan (1810âÂÂ1886), Scottish Conservative politician
- William Henry Drummond (1854âÂÂ1907), Canadian poet, born in Ireland, elected a fellow of the Royal Society of Literature in 1898
- William Drummond, 15th Earl of Perth (1871âÂÂ1937), succeeded as 15th Earl of Perth in 1902
- William Eugene Drummond (1876âÂÂ1946), American architect
- William Drummond (footballer) (1890âÂÂ1966), Australian rules footballer
- William Drummond, a pseudonym for Arthur Calder-Marshall (1908âÂÂ1992), British novelist
- William J. Drummond (born 1944), American journalism professor at the University of California (Berkeley)
- Bill Drummond (born 1953), Scottish musician, author, conceptual artist, music-industry entrepreneur and co-founder of The KLF
- Billy Drummond (born 1959), American jazz drummer