Niki Kerameus (Greek: Νίκη Κεραμέως, Níki Keraméos, [ˈnici keraˈmeos]) is a Greek lawyer and politician serving as Minister for the Interior of the Hellenic Republic since June 2023, appointed by Kyriakos Mitsotakis. She was born in Thessaloniki on July 18, 1980, and is a member of the New Democracy party.

Kerameus studied law at Panthéon-Sorbonne University and Harvard Law School and is a member of the Athens and New York Bar Associations. She was first elected Member of Parliament in the elections of January 2015 and again in September 2015. During this time she was a member of the "Special permanent committee on the penitentiary system and other forms of confinement of detainees" and the "Standing Committee on Public Administration, Public Order and Justice."

Kerameus was reelected as parliamentary representative for the B1 North Athens electoral constituency in the elections of 2019 and was appointed New Democracy's Minister of Education on July 9, 2019.

She is married to a Greek lawyer and has two boys. Besides Greek, she also speaks English, French and German.