Do you mean any of these surnames ...
Arafat, Arain, Arambam, Arasaratnam, Araujo, Arblaster, Arbuthnot, Archer, Archibald, Ardal, Arden, Ardgall, Argyle, Aribam, Arif, Ariunbold, Arlab, Arlington, Arlon, Armistead, Armitage, Armour, Armsted, Armstrong, Aron, Arondekar, Arora, Arshad, Arte, Arthur, Artoir, Arubam, Arundel, Arya |