Naini (), also spelled Naeini, is a surname. Notable people with the name include:
Naeini Abolhassan Naeini (born 1955), Iranian academic Mahdi Bemani Naeini (born 1968), Iranian film director Sara Naeini (born 1981), Iranian singer-songwriter
Naini Ali Mohammad Naini (1957–2026), Iranian military officer Majid Naini (born 1963), Iranian scholar and speaker Muhammad Hussain Naini (1860–1936), Iranian Shia marja
See also Oliver Fartach-Naini, German guitarist