Baily may refer to:
- Bernard Baily (1916–1996), American comic book artist
- Christina Baily (born 1981), English actress
- Cyril Baily (1880–1924), English cricketer
- Eddie Baily (1925–2010), English footballer
- Edward Baily (1852–1941), English cricketer
- Edward Hodges Baily (1788–1867), English sculptor
- Francis Baily (1774–1844), English astronomer
- Gavin Baily (born 1971), English artist
- Jaime Bayly (born 1965), Peruvian journalist and television personality
- Laurence Richardson Baily (1815–1887), English marine insurance specialist
- Martin Neil Baily, American economist
- Thomas Baily (c. 1525 – 1591), English Catholic clergyman
- William Edward Baily (1855–1903), English brewer
- William Hellier Baily (1819–1888), English palaeontologist