Alladi (Telugu: అల్లాడి) is a Telugu surname and given name. Notable people with the name include:
Alladi Krishnaswamy Iyer (1883–1953), Indian lawyer and member of the Constituent Assembly of India Alladi Kuppu Swamy (1920–2012), Indian lawyer of Chief Justice of Andhra Pradesh High Court Alladi Ramakrishnan (1923–2008), Indian physicist and the founder of the Institute of Mathematical Sciences Krishnaswami Alladi (born 1955) Indian-American mathematician who specializes in number theory