Kosti may refer to:
Places Kosti, Sudan, a major city in Sudan Kosti, Burgas Province, a village in Bulgaria
People Given name Kosti Katajamäki (born 1977), Finnish rally driver Kosti Manibe Ngai, South Sudanese politician Kosti Vehanen (1887–1957), Finnish pianist and composer
Family name Eleni Kosti (born 1985), Greek swimmer María Kosti (born 1951), Spanish actress Melpo Kosti, Greek television and soap opera actress
Others Kushti (or Kusti), a string-like garment which pairs with the Sudreh in Zoroastrianism
See also Costi (disambiguation) Kostis (disambiguation)