Hoadley is a surname. Notable people with the surname include:
Abel Hoadley (1844-1918), confectioner
David Hoadley (architect) (1774-1839), American architect
David Hoadley (businessman) (1806-1873), American businessman
David K. Hoadley, the earliest known storm chaser
Charles Hoadley (1887-1947), Australian geologist, Antarctic explorer and Scout Leader.
R. Bruce Hoadley, professor
Rob Hoadley (born 1980), rugby player
Silas Hoadley (1786-1870), American clockmaker