Nikolaidis (Greek: Νικολαΐδης) is a Greek surname of Pontic origin. It is a patronymic surname which literally means "the son of Nikolaos (Nicolaos)", and can also be found transliterated as Nicolaidis or even Nicolaides. The feminine form is Nikolaidou but the less formal Nikolaidi can also be found in use as well.
Notable people with this surname include:
Alexandros Nikolaidis, Greek taekwondo athleteAndrej Nikolaidis, Bosnia novelist and criticApostolos Nikolaidis (athlete), Greek footballer and track athleteApostolos Nikolaidis (singer), Greek singerDemis Nikolaidis, Greek footballerDimitris Nikolaidis, Greek actorElena Nikolaidi, Greek-American opera singerKalypso Nicolaïdis, Greek-French academicKaterina Nikolaidou, Greek beach volleyball playerKostas Nikolaidis, Greek footballerNikos Nikolaidis, Greek film director and script writerProdromos Nikolaidis, Greek basketball playerTheofilaktos Nikolaidis, Greek footballerVera Nikolaidou, Greek parliament member