- Odenkrichen
- Odenthal
- Oeffner
- Oehlers
- Oei
- Oepkes
- Oerlemans
- Oertel
- Oeschger
- Oesman
- Oesoe
- Oester
- Oesterhaus
- Oesterman
- Oetgens van Waveren Pancras Clifford
- Adele Eleonore (b. 5 Sep 1886, d. 18 Jun 1957)
- Alberto Angelo (b. 18 Feb 1896, d. 18 Jan 1935)
- Andries Alexander (b. 28 Apr 1893, d. 7 Jul 1904)
- Annie Albertine Jenny (b. 15 Jan 1908, d. 14 Nov 1999)
- Antoinette Agnes (b. 26 Mar 1868)
- Catharina Antoinetta Albertina (b. 4 Apr 1892)
- Elise Suze (b. 28 Dec 1894, d. 17 Mar 1956)
- Frederic Karel (b. 9 Jun 1885, d. 21 Dec 1957)
- Godfried Johannes (b. 15 Jul 1888, d. 29 Nov 1929)
- Hermanus Johannes Wilhelmus Anthony (b. 26 May 1834, d. 3 Oct 1864)
- Johanna Wilhelmina Florentine (b. 27 Aug 1871, d. 23 Jun 1954)
- Maria Elizabeth Antonette (b. 22 Jun 1859)
- Peter Johannes (b. 16 May 1900, d. 15 Feb 1964)
- Petronella Johanna (b. 1 Aug 1917, d. 26 Jul 1959)
- Pieter Anthonie (b. 14 Jan 1840, d. 10 May 1893)
- Pieter Anthony (b. 10 Mar 1779, d. 13 Feb 1827)
- Pieter Anthony (b. 27 Feb 1808, d. 16 Nov 1880)
- Pieter Anthony (b. 16 May 1893, d. 19 Feb 1980)
- Richard Daniel (b. 23 Oct 1861, d. 9 Jan 1909)
- Richard Daniel (b. 4 Oct 1888, d. 18 Jun 1960)
- Willem Frederic (b. 14 Apr 1910, d. 9 Oct 1945)
- Willem Karel Frederic (b. 2 Nov 1855, d. 18 Sep 1910)
- Oetjen
- Oey
- Offerbeek
- Offerhaus
- Offerman
- Offermans
- Offreins
- Oger
- Ogg
- Ogilvie
- Ohelo
- Ohlmeijer
- Ohmsen
- Oldenburg
- Oldenhuis
- Oliemans
- Olierook
- Olijslager
- Olijve
- Oliphant
- Olischläger
- Olislaeger
- Oliveiro
- Oliver
- Olivier
- Oliviers
- Olland
- Olmeijer
- Olofzen
- Olt
- Olte
- Olthoff
- Omfried
- Ommerte
- Omori
- Mito (b. abt 1875, d. 8 Feb 1905)
- Ondaatje
- Onderdewijngaart
- Ong
- Ong Afat
- Onnen
- Onnes
- Ontrop
- Ooms
- Oonk
- Oort
- Oortjes
- Oortman
- Oostendorp
- Oosterbaan
- Oosterhout
- Oosterling
- Oosterman
- Oosterom
- Oosterop
- Oostervink
- Oosthout
- Oostman
- Oostmeijer
- Oostziek
- op de Laeij
- Opendaal
- Opgenorth
- Ophorst
- Ophuijsen
- Opitz
- Opmeer
- Opperhuizen
- Opperman
- Opstal
- Opstel
- Orange
- Oranje van Gouwenbergen
- Ordner
- Orie
- Ormel
- Ornek
- Orr
- Ort
- Anna Henriette Wilhelmina (b. 19 Aug 1831, d. 3 Dec 1888)
- Christine Johanna (b. 29 May 1919, d. Aug 1945)
- Cornelia (b. 21 May 1902, d. 16 Jul 1991)
- Frieda (b. 9 Dec 1923, d. 25 Dec 2001)
- George Anthon (b. 3 Sep 1826, d. 28 Dec 1893)
- George Hubert (b. 12 Aug 1916, d. 4 Mar 1923)
- Henriette Jacoba Frederike (b. 21 Jul 1859)
- Jan (b. 8 Feb 1882, d. 8 Jun 1943)
- Johan
- Johan Bastiaan (b. 23 Jun 1914, d. 24 Aug 1919)
- Johan Conraad (b. 1792)
- Johannes
- Johannes Alexander (b. 19 Dec 1904, d. 16 Nov 1906)
- Johannes Wilhelmus
- Louisa Dorothea Maria (b. 18 Mar 1861, d. 8 Dec 1943)
- Maria Hendrica (b. 25 Mar 1912, d. 20 Nov 1985)
- Paula Christina (b. 14 May 1913, d. 7 Nov 2000)
- Piet (b. 24 Mar 1922, d. 17 Mar 2014)
- Sien Eugenie (b. 14 Dec 1924, d. 28 Mar 2011)
- Stephen Reinier (b. 28 Dec 1956, d. 10 Sep 1975)
- Orth
- Albertina Jacoba Cornelia (b. 18 Nov 1865, d. 17 Sep 1927)
- Alice Josephine (b. 8 Jul 1903)
- Benjamin Anthonie (b. 14 Jun 1842, d. 2 Jul 1842)
- Elias Adolf (b. 18 Apr 1837, d. 12 Oct 1904)
- Frederik (b. 6 Nov 1831, d. 9 Aug 1921)
- Frederikus Hermanus (b. 30 Aug 1886)
- Gerrit Willem (b. 15 Feb 1899)
- Helena (b. 1897)
- Helena Frederika Frederick Adolphine (d. 3 Aug 1883)
- Helena Frederike (b. 22 Dec 1846, d. 8 Oct 1859)
- Hendrik (b. 10 Jul 1834, d. 14 Dec 1869)
- Hendrikus
- Henri Adolf (b. 16 Jan 1895)
- Hermine Maria (b. 14 Jun 1842, d. 11 Oct 1896)
- Jeannette Philippina (b. 19 Jan 1864, d. 9 Jan 1914)
- Joan Renier (b. 14 Dec 1884)
- Johan Frederich (b. abt 1793, d. 22 Sep 1854)
- Johann (b. abt 1845)
- Johanna Christina (b. 8 May 1901)
- Johanna Frederika Elize (b. 30 Sep 1848, d. 11 Dec 1873)
- Johanna Frederika Sophia (b. 19 Aug 1860)
- Johanna Petronella (b. 8 May 1839, d. 1920)
- Maria Catharina
- Peter
- Petronella Christina (b. 6 Dec 1848, d. 21 Jul 1882)
- Pieter Hendrik (b. 8 May 1829, d. 1 Mar 1870)
- Suzanna Emelie (b. 1 Jul 1850, d. 4 Jun 1851)
- Victor Willem (b. 22 Dec 1909)
- Willem (b. 1898)
- Ortlieb
- Osborne
- Osborne Osbourne
- Helen (b. 1817, d. 9 Nov 1847)
- Osigi
- Ost
- Osten
- Ostreig
- Ostwalt
- Otfoord
- Otgens
- Otjes
- Otmar
- Ott
- Otte
- Otten
- Ottenhoff
- Ottens
- Otterbein
- Ottley
- Ottmann
- Otto
- Ottzen
- Ouburg
- Oudendijk
- Ouderdorp
- Oudhoff
- Oudkerk
- Oudolf