Nally is a surname. Notable people with the surname include:

• Derek Nally (born 1936), Irish politician; unsuccessful candidate for president in 1997
• Donald Nally (born 1960), American conductor and opera chorus master
• Edward Julian Nally (1859–1953), American radio businessman; first president of RCA
• Edward Nally (solicitor) (born 1956), English solicitor and academic
• Eric Sean Nally, American rock singer
• Padraig Nally, Irish farmer; convicted then exonerated of manslaughter
• Pat Nally (1857–1897), Irish republican and sportsman
• Patrick Nally (born 1947), British sports marketing businessman
• T.H. Nally, Irish playwright, brother of Pat Nally
• Will Nally (1914–1965), British politician, MP from Wolverhampton