Meaning The name Acacia has two different meanings, both Greek in origin. The first is 'the guileless one', the other is 'thorn' or 'point'. Origin of Acacia Greek +-100%Zoom level changed to 1 Popular Middle Names Juliette, Mae, Monae, Raine Pronunciation 🔊 Listen Acacia AH-key-SHAH Similar Names Kassie Akakia Akantha Arantxa Drysi Cora Kayla Caitlyn Kiya Mary Year by Year Popularity of Acacia