The American Oil Chemists' Society (AOCS) is an international professional organization based in Urbana, Illinois USA dedicating to providing the support network for those involved with the science and technology-related to fats, oils, surfactants, and other related materials.
Founded in 1909, AOCS has 4,000 members in 90 countries who are active in a total of twelve divisions and six sections, of which only two of the sections are within the United States.