Meaning A boy's name of Welsh origin, it means "Welsh form of Walter 'strong fighter' Origin of Gwallter Welsh +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Gwallter Similar Names Wat Galtem Galterio Galtero Gualterio Gauthier Gautier Rhisiart Powell Pwyll Year by Year Popularity of Gwallter