Nash \n(a)-sh\ as a boy's name is of Old English origin. Possibly "headland, cliff". Poet Ogden Nash; architect Sir John Nash.

A baby name that sounds like Nash is Nashua. Other similar baby names are Cash, Sasha, Ash, Fish, Jasha, Joash, Josh, Naim, Nap, Nat, Nate, Noah, Noach, Nata, Pasha, Rush and Zach.