MEF | |
 MEF building | |
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| Established | December 1990 |
|---|---|
| Location | Trelew, Patagonia (Argentina) |
| Coordinates | 43°14′58″S 65°18′26″W / 43.249312°S 65.3073172°W |
| Collection size | More than 17,000 fossils |
| Visitors | 70,000 (yearly average, last 5 years) |
| Website | www.mef.org.ar |
The Museum of Paleontology Egidio Feruglio (MEF, in Spanish: Museo Paleontológico Egidio Feruglio) is a science research and exhibition center in Trelew city, Patagonia, Argentina. Its permanent and travelling exhibitions focus on the fossil remains of fauna and flora of Patagonia, and the changes that affected the region over geological time. The museum is named for geologist Egidio Feruglio.
MEF is one of Argentina's main scientific institutions, with a robust research program in areas including vertebrate and invertebrate paleontology, paleobotany, and ichnology, and has a group focusing on plants in semi-desert environments.