SEPM (Society for Sedimentary Geology) is an international not-for-profit Society headquartered in Tulsa, Oklahoma. Through its network of international members, the Society is dedicated to the dissemination of scientific information on sedimentology, stratigraphy, paleontology, environmental sciences, marine geology, hydrogeology, and many additional related specialties.

The Society supports members in their professional objectives by publication of two major scientific journals, the Journal of Sedimentary Research and PALAIOS. Additionally, SEPM produces technical research conferences, short courses, and Special Publications. Through SEPM's Continuing Education, Publications, Meetings, and other programs, members both gain and exchange information pertinent to their geologic specialties.