John Loftus
John Loftus may refer to:
- John Loftus (military author) (born 1950), military author and radio talk show host
- John Loftus, 2nd Marquess of Ely (1770–1845), peer and Member of Parliament in Ireland and the United Kingdom
- John W. Loftus (born 1954), atheist author and former minister
- Johnny Loftus (1895–1976), American jockey