Meaning A boy's name of Finnish origin, it means "remains strong in battle." Origin of Kyosti Finnish , Scandinavian +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Kyosti Similar Names Kesa Valto Cadel Cadell Caddell Riku Joosef Joosep Paavo Taneli Year by Year Popularity of Kyosti