Eady is a surname. Notable people with the surname include:
Alyse Eady (b. 1988), American news anchor Charles Eady, (1870–1945), Australian cricketer Charles Swinfen Eady, 1st Baron Swinfen, (1851–1919), British lawyer and judge Cornelius Eady, (b. 1954), American poet David Eady, (b. 1943), English High Court judge David Eady (film director) (1924–2009), British film director and producer Dorothy Eady, (1904–1981), English Egyptologist Eric Eady (1915–1966), British meteorology researcher George Eady (1865–1941), British politician Hanna Eady (b. 1956), Palestinian-American actor and playwright Jason Eady, American musician Josh Eady, Canadian producer Lewis Alfred Eady (1891–1965), New Zealand businessman Marshall Thomas Wilton Eady, Australian engineer Robin Eady (1940–2017), British physician Roger Swinfen Eady, 3rd Baron Swinfen (1938–2022), British peer Wilfred Griffin Eady (1890–1962), British treasury official and diplomat
See also Eadie (surname) Edey, surname Baron Swinfen