Sir (William) Arthur Lewis (January 23, 1915 — June 15, 1991) je ara Saint Lucia aseoro-okowo to gbajumo fun ipa re ni papa idagbasoke oro-okowo. Ni 1979 o gba Ebun Nobel ninu Oro-Okowo, lati di adulawo akoko to gba Ebun Nobel ninu eka miran ju alafia lo.