Meaning A boy's name of Welsh origin, it means "Arranges the battle." Origin of Cadwallon Welsh +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Cadwallon Similar Names Cadel Cadell Caddell Caddoc Cadawg Caddock Cadwalader Cadwaladr Cadwaladyr Cadwallader Year by Year Popularity of Cadwallon