Namesakes
Feodor I
(m) 1557-1598 
Russian Grand Dukes and Tsars 1584-1598
Feodor III
(m) 1661-1682
Russian Grand Dukes and Tsars 1676-1682
Ingvar Kamprad
(a.k.a. Feodor) (m) 1926-2018
Notable Businesspeople
Feodor II
(m) 1589-1605
Russian Grand Dukes and Tsars 1605
Feodor Chaliapin
(m) 1873-1938
Notable Musicians
Feodor Felix Konrad Lynen
(m) 1911-1979
Nobel Prize Winners 1964 (medicine)
Gustav Mie
(middle name Feodor) (m) 1868-1957
Notable Scientists and Inventors
Alexander Ferdinand of Prussia
(middle name Feodor) (m) 1912-1985
Other Royalty 1912-1985 Prussia (prince)