FEO

Feo, FEO, or similar may refer to:

People

 * Feo Aladag (born 1972), Australian film director and actor
 * Francesco Feo (1691–1761), Italian composer
 * Frutos Feo (born 1972), Spanish athlete
 * Giacomo Feo (c. 1471–1495), second husband of Caterina Sforza

Other uses

 * F. E. Osborne Junior High School, in Calgary, Alberta, Canada
 * Firearms Enquiry Officer, a civilian member of British police forces
 * Front end optimization, a technique of dynamic site acceleration in website management
 * Iron(II) oxide (FeO)
 * Wüstite, a mineral form of iron(II) oxide