Fei or FEI may refer to:
Places Fei County, in Shandong, China
People Fei (surname) (费), a Chinese surname and given name Fei (singer), stage name of Chinese singer, actress, presenter and model Wang Feifei (born 1987)
Organizations Centro Universitário da FEI, a university in Brazil Falange Española Independiente, a defunct Spanish political party Federal Executive Institute, an American government executive learning institute Financial Executives International, an American organization for senior-level financial executives International Federation for Equestrian Sports (French: ) Italian Esperanto Federation ()
Other uses Fei (letter) in the Hebrew alphabet Battle of Fei (disambiguation) FEI Company, an American scientific instrumentation company Special Independent Prosecutor (Spanish: ), in Puerto Rico
See also FI (disambiguation) Fie (disambiguation)