Albert Buell Lewis (June 21, 1867 – October 10, 1940) was the first American anthropologist to conduct a systematic, long-term field study in Melanesia, A. B. Lewis is best remembered for the collection and documentation of over 14,000 Melanesian objects gathered in the colonial territories of Melanesia during his time as the leader of the from 1909 to 1913. This extensive collection and documentation is now housed at the Field Museum of Natural History in Chicago, Illinois.