Niarchos

Niarchos may refer to:


 * Philip Niarchos (born 1954), eldest son of the Greek shipping magnate Stavros Niarchos
 * Spyros Niarchos (born 1955), second son of the Greek shipping magnate Stavros Niarchos
 * Stavros Niarchos (1909–1996), Greek shipping tycoon
 * Stavros Niarchos Foundation, established in 1996 to honor Greek shipping magnate Stavros Niarchos
 * Stavros S Niarchos, a British brig-rigged tall ship owned and operated by the Tall Ships Youth Trust
 * Victoria Niarchos (born 1960), member of the non-aristocratic branch of the Guinness beer clan
 * Niarchos (spider), a genus of goblin spiders