Bagnall could be:
- Bagnall, Staffordshire
- Anthony Bagnall, a senior Royal Air Force commander
- Drew Bagnall, Canadian ice hockey player
- Geoff Bagnall, Australian rugby league footballer
- Gibbons Bagnall
- James Bagnall (1783–1855), Canadian printer, publisher and politician
- James Eustace Bagnall (1830–1918), botanist
- Roger S. Bagnall (1947 – ), a professor of classics at Columbia University
- Nigel Bagnall, a senior British Army commander
- William Gordon Bagnall, founder of W.G. Bagnall
- W. G. Bagnall, a locomotive manufacturer