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