Namesakes
Frederik I
(m) 1471-1533 
Danish Kings and Queens 1523-1533
Norwegian Kings and Queens (Fredrik I) 1523-1533
Frederik II
(m) 1534-1588
Danish Kings and Queens 1559-1588
Norwegian Kings and Queens (Fredrik II) 1559-1588
Frederik III
(m) 1609-1670
Danish Kings and Queens 1648-1670
Norwegian Kings and Queens (Fredrik III) 1648-1670
Frederik IV
(m) 1671-1730
Danish Kings and Queens 1699-1730
Norwegian Kings and Queens (Fredrik IV) 1699-1730
Frederik V
(m) 1723-1766
Danish Kings and Queens 1746-1766
Norwegian Kings and Queens (Fredrik V) 1746-1766
Frederik VI
(m) 1768-1839
Danish Kings and Queens 1808-1839
Norwegian Kings and Queens (Fredrik VI) 1808-1814
Willem I of the Netherlands
(middle name Frederik) (m) 1772-1843
Other Royalty 1815-1840 Netherlands (king)
Leopold I
(middle name Frederik) (m) 1790-1865
Other Royalty 1831-1865 Belgium (king)
Willem II of the Netherlands
(middle name Frederik) (m) 1792-1849
Other Royalty 1840-1849 Netherlands (king)
Frederik of the Netherlands
(m) 1797-1881
Other Royalty 1797-1881 Netherlands (prince)
Frederik VII
(m) 1808-1863
Danish Kings and Queens 1848-1863
Willem III of the Netherlands
(middle name Frederik) (m) 1817-1890
Other Royalty 1849-1890 Netherlands (king)
Alexander of the Netherlands
(middle name Frederik) (m) 1818-1848
Other Royalty 1818-1848 Netherlands (prince)
Hendrik of the Netherlands
(middle name Frederik) (m) 1820-1879
Other Royalty 1820-1879 Netherlands (prince)
Ernst Casimir of the Netherlands
(middle name Frederik) (m) 1822
Other Royalty 1822 Netherlands (prince)
Willem, Prince of Orange
(middle name Frederik) (m) 1840-1879
Other Royalty 1849-1879 Netherlands (prince)
Frederik VIII
(m) 1843-1912
Danish Kings and Queens 1906-1912
Alexander, Prince of Orange
(middle name Frederik) (m) 1851-1884
Other Royalty 1879-1884 Netherlands (prince)
Haakon VII
(middle name Frederik) (m) 1872-1957
Norwegian Kings and Queens 1905-1957
Harald of Denmark
(middle name Frederik) (m) 1876-1949
Other Royalty 1876-1949 Denmark (prince)
Gustav of Denmark
(middle name Frederik) (m) 1887-1944
Other Royalty 1887-1944 Denmark (prince)
Erik of Denmark
(middle name Frederik) (m) 1890-1950
Other Royalty 1890-1924 Denmark (prince)
Frederik IX
(m) 1899-1972
Danish Kings and Queens 1947-1972
Knud, Hereditary Prince of Denmark
(middle name Frederik) (m) 1900-1976
Other Royalty 1900-1976 Denmark (prince)
Olav V
(middle name Frederik) (m) 1903-1991
Norwegian Kings and Queens 1957-1991
Olympic Medalists 1928 sailing (gold)
John Mikaelsson
(middle name Frederik) (m) 1913-1987
Olympic Medalists 1948; 1952 10 km walk (gold)
Gorm of Denmark
(middle name Frederik) (m) 1919-1991
Other Royalty 1919-1991 Denmark (prince)
Willem Frederik Hermans
(m) 1921-1995
Notable Writers
Wim Slijkhuis
(middle name Frederik) (m) 1923-2003
Olympic Medalists 1948 1500 m; 5000 m (bronze)
Fred Ramdat Misier
(middle name Frederik) (m) 1926-2004
Other Leaders 1982-1988 Suriname (president)
Wim van Eekelen
(middle name Frederik) (m) 1931-
Notable Politicians and Statespeople
Frits Korthals Altes
(m) 1931-2025
Notable Politicians and Statespeople
Frits Bolkestein
(m) 1933-2025
Notable Politicians and Statespeople
Wim Duisenberg
(middle name Frederik) (m) 1935-2005
Notable Politicians and Statespeople
F. W. de Klerk
(a.k.a. Frederik) (m) 1936-2021
Nobel Prize Winners 1993 (peace)
Other Leaders 1989-1994 South Africa (president)
Ingolf of Denmark
(middle name Frederik) (m) 1940-
Other Royalty 1940-1968 Denmark (prince)
Christian of Denmark
(middle name Frederik) (m) 1942-2013
Other Royalty 1942-1971 Denmark (prince)
Reinhard Mey
(a.k.a. Frédérik) (m) 1942-
Notable Musicians
Rufus Sewell
(middle name Frederik) (m) 1967-
Notable Actors and Entertainers (actor)
Frederik X
(m) 1968-
Danish Kings and Queens 2024-
Constantijn of the Netherlands
(middle name Frederik) (m) 1969-
Other Royalty 1969- Netherlands (prince)
Frédérik Deburghgraeve
(m) 1973-
Olympic Medalists 1996 swimming - 100 m breaststroke (gold)
Floris of Orange-Nassau
(middle name Frederik) (m) 1975-
Other Royalty 1975- Netherlands (prince)
Jens-Frederik Nielsen
(m) 1991-
Other Leaders 2025- Greenland (prime minister)
Nikolai of Denmark
(middle name Frederik) (m) 1999-
Other Royalty 1999-2023 Denmark (prince)
Vincent of Denmark
(middle name Frederik) (m) 2011-
Other Royalty 2011- Denmark (prince)