Arlo \a-rlo, ar-lo\ as a boy's name is pronounced AR-loh. It is of Spanish origin, and the meaning of Arlo is "barberry tree". Also Italian variant of Charles. Became popular in the early 1970s, possibly due to the fame of folksinger Arlo Guthrie.

Arlo has 3 variant forms: Arlow, Arlowe and Arrlo.

For more information, see also the related name Harlow.

Baby names that sound like Arlo are Arly, Arel, Arley, Arlie, Arlea, Aurelo, Irl, Erle, Erl and Erly.