Kostis

Kostis (Κωστής) is a hypocorism of the Greek name Konstantinos (Constantine). Notable people with the name include:

Given name

 * Kostis Adosidis Pasha (1818–1895), Prince of Samos
 * Kostis Chatzidakis (born 1965), Greek politician
 * Kostis Gimossoulis (born 1960), Greek poet and novelist
 * Costis Gontikas (born 1994), Greek professional basketball player
 * Kostis Gontikas (born 1934), Greek politician
 * Kostis Palamas (1859–1943), Greek poet
 * Kostis Papagiorgis (1947–2014), Greek essayist, columnist, translator of philosophical studies
 * Kostis Protopapas, American opera artistic director of Greek origin
 * Konstantinos "Kostis" Stephanopoulos (1926–2016), Greek conservative politician who served as President of Greece from 1995 to 2005

Surname

 * Christos Kostis (born 1972), Greek football (soccer) player
 * Peter Kostis (born 1946), American golf analyst and instructor
 * Tasos Kostis (born 1951), Greek actor