FEI
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)