Cheers!!!

"Gesondheid" (South African Afrikaans)
"Geiá mas" (Our health! )(Greece)
"Prost" (Germany and German-speaking places)
"Proost" (The Netherlands)
"Schol" (Flanders)
"skál" (Iceland)
"Skål", in English often spelled Skoal, (Denmark, Norway, Sweden and parts of Finland)
"Kippis" (Finland)
"Santé", or "Chin" (France and Québec)
"Sláinte" (Ireland and among speakers of Scots Gaelic)
"Iechyd Da" (Wales)
"L'Chaim" (Israel and Jewish communities worldwide)
"Salute" (or "alla salute"), "prosit", "Cin cin" (Italy) (or "Tin tin" in Brazil) "Saúde" (Portugal and Lusophone countries)
"Salud" (Spanish)
"Wihayeo" (Korea)
"Kanpai" (Japan)
"Na zdrowie" (Poland)
"За вас!", (Russia); generic toast, in English often spelled Za Vas meaning to you
"Şerefe" (Turkey)
"Salut!" (Catalan) or "Salut i Força al Canut!"
"Saliq!" (Iran)
"Letenachin"-Ethiopia (Colloquialism/Vulgar)
"Noroc!" (Good luck!) (Romania)
"Sǎnǎtate!" (To (your) good health!) (Romania)
"Egészségedre!" (To your good health!) (Hungary)
"Topa!" (Meet the glasses!) (Basque)
"Aish Karo!" (Enjoy!) (India)