FEF or Fef may refer to:

Futsal European Federation Fef, West Papua, the capital of Tambrauw Regency, West Papua, Western New Guinea Ecuadorian Football Federation (Spanish: ) FedExField, a stadium in Landover, Maryland, United States Fire Emblem Fates, a video game Forced expiratory flow Frontal eye fields Frontier Education Foundation, in Pakistan Fusion Energy Foundation, a defunct American think tank Union Pacific FEF series, a steam locomotive First European Farmers Front End Friday