Meaning A powerful name meaning 'lion' or 'brave and hardy.' Origin of Leo Latin +-100%Zoom level changed to 1 Popular Middle Names James, Alexander, Joseph, Francis, Jacob, Matthew, Andrew, Anthony, Robert, William Pronunciation 🔊 Listen Leo Lee-oh Similar Names Everardo Evarado Ewart Leonardo Lennie Leonard Lion Lowen Arduino Nardo Year by Year Popularity of Leo