Eady is a surname. Notable people with the surname include:
Charles Eady, (1870–1945), Australian cricketerCharles Swinfen Eady, 1st Baron Swinfen, (1851–1919), British lawyer and judgeCornelius Eady, (1954–), American poetDavid Eady, (1943–), English High Court judgeDavid Eady (film director), (1924–), British film director and producerDorothy Eady, (1904–1981), English EgyptologistHanna Eady, (1956–), Palestinian-American actor and playwrightRoger Swinfen Eady, 3rd Baron Swinfen, (1938–), British peer