Croly is a surname. Notable people with the surname include:
Daniel Croly (1846–1916), Anglican priest David Goodman Croly (1829–1889), American journalist George Croly (1780–1860), Irish poet, writer, historian and theologian Herbert Croly (1869–1930), American political writer and magazine founder Jane Cunningham Croly (1829–1901), American writer Trevor Croly (born 1974), Irish football coach