Poul Erik Osmundsen til Niels Otto Ottesen
- Poul Erik Osmundsen - Josephus Castrodes Osol
- Kathleen Dizon Osol - Ole Walther Osric
- Marion Ossa - Knud-Erik Ossian
- Marian Lading Ossian - Safia Mohamud Ossoble
- Hans Ossowicki - Ida Johanne Osted
- Jane Broman Osted - Susan Osted
- Søren Osted - Bent Erling Ostenfeld
- Birger Ostenfeld - Hanne Ostenfeld
- Hans Ostenfeld - Kent Ostenfeld
- Kim Ostenfeld - Niels Ostenfeld
- Nina Elisabeth Ostenfeld - Ulla Ostenfeld
- Vicki Ostenfeld - Hanne Ostenfeldt
- Henning Ostenfeldt - Magaretha Ostenfeldt
- Kjeld Ostenfeldt Mathiesen - Vagn Ostenfeldt-Jensen
- Ellen Ostenfeldt-Pedersen - Grete Oster
- Jakob Oster - Mona Andreasen Oster
- Morten Lykke Oster - Gurli Osterhammel
- Hugo Osterhammel - Lena Osterkruger
- Dan Osterkryger - Esther Osterlandd
- Sara Marie Sofie Wrist Osterman - Jan-Dirk Ostermann
- Jannie Ostermann - Mette Roed Ostermann
- Mogens Gjølbye Ostermann - Aksel Ostersen
- Alex Ostersen - Folmer Ostersen
- Frank Ostersen - Kirsten Dalgaard Ostersen
- Kjeld Ostersen - Ole Ostersen
- Ole B Ostersen - Kurt Gunnar Otto Osterwald-Lenum
- Michael Osterwald-Lenum - Kenneth Osther
- Lene Søhus Osther - Jaime Antonio Rivero Ostoic
- Biljana Ostojic - Salvis Ostrovskis
- Mykola Ostrovskyy - Jacek Ostrowski
- Jacqueline Pauline Ostrowski - Mona Ruen Ostrowski
- Niklas Ostrowski - Nancy Ostwald
- Tina Ostwald - Antonia Maria Ferreira Da Cruz Oswald
- Eduard Karl Oswald - Lasse Bruun Oszlar
- Tomas Oszlar - Jette Otbo Jensen
- Jørn Otbo - Inga Othel
- Nicklas Arecco Othel - Ivan Wanas Othman
- Jawaher Mustafa Othman - Carl Åge Otholm
- Christian Adam Otholm - Birthe Lilli Otkjær
- Brian Otkjær - Ingemann Otkjær
- Jan Otkjær - Pan Otkjær
- Hanne Otkjær Pedersen - Jean De Dieu Otoa
- Lise Otoadese - Erling Otskov
- Ester Otskov - Ellen Grethe Bundgaard Ott
- Ellen Grethe Bundgaard Ott - Michael Ott
- Palle Ott - Alan Reffeldt Otte
- Alexander Melgaard Otte - Birgit Theisen Otte
- Bitten Glenstrup Otte - Christian Bundgaard Otte
- Christian Bøggild Otte - Else Otte
- Erik Otte - Harry Otte
- Heidi Gitte Otte - Jan Valentin Otte
- Jane Holmgaard Otte - Joan Otte
- Johan Otte - Karl Ejner Otte
- Karl Juhl Otte - Laila Renée Otte
- Lars Otte - Mads Otte
- Mads Hansen Otte - Mogens Otte
- Mona Otte - Peter Otte
- Peter Hansen Otte - Stinne Nørgaard Otte
- Susan Hilden Otte - Uffe Otte
- Ulrich Otte - Hinrich Otten
- Jens Otten - Merete Ottenbros
- Merete Ottenbros Pedersen - Jannie Helene Ottendal
- John Eugen Ottendal - Kirsten Ottenheim
- Poul Freddie Ottenheim - Lori Ottensten
- Tore Nedergaard Ottensten - Kasper Otterstrøm Andersen
- Andreas Eltorp Otterstrøm - Jørgen Otterstrøm
- Karin Bønnelykke Otterstrøm - Søren Steen Otterstrøm
- Thøger Bertel Eltorp Otterstrøm - Anders Ottesen
- Anders Anderskov Ottesen - Anne Marie Ottesen
- Anne Marie Ottesen - Arne Ottesen
- Arne Ottesen - Bertha Marie Ottesen
- Bessie Ottesen - Birthe Ottesen
- Birthe Ottesen - Brian Møller Ottesen
- Britt Mie Ottesen - Carsten Skriver Ottesen
- Casper Ottesen - Christina Ottesen
- Christina Ottesen - Ditlev Ottesen
- Ditte Marie Errboe Ottesen - Elo Ottesen
- Elsa Ottesen - Eva Ottesen
- Eva Ottesen - Frede Ottesen
- Frederik Ottesen - Hanna Marie Græsbøll Ottesen
- Hannah Ottesen - Heidi Ottesen
- Heidi Fanø Ottesen - Henriette Bergmann Ottesen
- Henrik Ottesen - Ida Gaardboe Ottesen
- Ida Maria Kjærulff Ottesen - Ingrid Høyrup Ottesen
- Ingrid Marie Ottesen - Jan Ottesen
- Jan Lund Ottesen - Jens Martinus Ottesen
- Jens Ole Ottesen - Johan Højlund Ottesen
- Johannes Ottesen - Julie Lykke Ottesen
- Julie Stendahl Ottesen - Kaj Ottesen
- Kamilla Ottesen - Kasper Højbjerg Ottesen
- Kasper Juhl Græsbøll Ottesen - Kirsten Ottesen
- Kirsten Eva Nordby Ottesen - Kurt Ottesen
- Kurt E Ottesen - Lars Søndergaard Ottesen
- Lars-Bo Ottesen - Lina Ottesen
- Line Amanda Ottesen - Lone Ottesen
- Lone Bavnhøj Ottesen - Malene Ottesen
- Malene Ottesen - Marianne Ottesen
- Marianne Klamer Ottesen - Martin Vestager Ottesen
- Mathilde Rud Ottesen - Michael Mølsted Ottesen
- Michael Nicolai Nordby Ottesen - Mona Lis Ottesen
- Morten Ottesen - Niels Otto Ottesen
