Meaning A diminutive of the name Alana and means 'harmony' or 'peace'. It could also mean 'little rock'. Origin of Larna Celtic , Irish Popular Middle Names Nicole Pronunciation 🔊 Listen Larna LAAR-nah Similar Names Aife Alline Allyn Palmyra Iria Pounamu Tontewzin Bell Beat Florice Year by Year Popularity of Larna