Abraham Willink (13 January 1920, Drachten, Friesland – 8 February 1998, Tucumán) was a Dutch-Argentine entomologist. His main contributions were made on the Hymenopteran families Vespidae, Sphecidae and Crabronidae.He also contributed to the classification of biogeographical provinces of Latin America. His role was of great interest in the decentralization of science, especially in Entomology in Argentina. 3 Genera and 52 species has been named after him.