Mezue ahịrịokwu na-esonụ: Spyridon "Spyros" Gianniotis (; amụrụ na 19 February 1980) bụ onye Gris na-egwu mmiri asọmpi nke ọkachamara na ogologo oge na ihe omume mmiri na-emeghe. Ọ bụ onye
Onye meriri ọlaọcha n'egwuregwu Olympic, onye meriri ụwa ugboro abụọ, onye meriri ọlaedo n'asọmpi Iko Mbaụwa, na onye meriri Europe ugboro abụọ. Gianniotis bụ onye meriri ugboro ise n'egwuregwu Olimpik, ọ nwetala ihe nrite iri na ise n'egwuregwu asọmpi ogologo oge nke mba ụwa, ngụkọta nke ọla edo ise, ọlaọcha ise, na ọla nchara ise na asọmpi Olimpik, asọmpi asọmpi ụwa, asọmpi iko ụwa na asọmpi asọmpi Europe. N'afọ 2011, ọ meriri ihe nrite World Open Water Swimmer of the Year, na-aghọ onye mbụ na onye Greek na-egwu mmiri iji nweta ọdịiche ahụ.