Costi

Costi may refer to:
 * a Romanian village, part of Vânători, Galați commune

People

 * Cozi Costi, British musician
 * Giandomenico Costi (born 1969), Italian football player
 * Konstantinos "Costis" Stephanopoulos (1926–2016), president of Greece from 1995 to 2005
 * Memnos Costi (born 1976), British television presenter and footballer
 * Rochelle Costi (1961–2022), Brazilian photographer
 * Costi Ioniță (born 1978), Romanian musician