Erik Orth til Jens Otte
- Erik Orth - Susanne Auguste Orth
- Søren Kjeld Orth - Peter Henrik Orthmann-Brask
- Thomas Orthmann-Brask - Jonathan Ortiz Rosenkilde
- Sindy Milena Perez Ortiz - Dorthe Ortmann
- Elsebeth Ortmann - Lene Ortmann
- Lisbeth Margrethe Ortmann - Ulla Ortmann
- Ulrich Ortmann - Benedikte Ortvald
- Christina Ortvald - Jeanette Ortved
- Jesper Ortved - Bent Ortving
- Birgit Ellen Ortving - Susanne Ortwed
- Tina Ortwed - Özlem Oruc
- Lars Miguel Gram De Orueta - Holger Orup
- Jan Orup - Agron Oruqi
- Hyrije Oruqi - Syntke Orwat
- Bente Ory - Victa Oryema
- Tomasz Orylski - Saad Suleiman Hanna Osaji
- Bettina Osanai - Ann-Katrin Osbahr-Braasch
- Kerstin Osbahr-Gripp - Henning Osbeck
- Johnny Osbeck - Kirsten Osberg
- Poul Erik Osberg - Anne Dorte Osborn
- Christopher John Duncan Osborn - Benny Kling Osbæck
- Bent Osbæck - Sirilak Chuathong Osbæck
- Tom Osbæck - Lilian Møller Oscar
- Lone Oscar - Winnie Oschlak
- Andrea Oschätzchen - Mavis Abena Serwa Osei
- Patrick Osei - Inge Osgood
- Kresten Michael Osgood - Dorte Gaaddiksen Osiak
- Dorthe Osiak - Karolina Elzbieta Osipowska
- Karolina Elzbieta Osipowska - Maria Elisabeth Oskarsdottir
- Sigrun Oskarsdottir - Marie Ellesøe Oskarsson
- Martin Oskarsson - Mogens Osler
- Anna Oslev - Marijeta Osmajlic
- Merijeta Osmajlic - Abdullahi Mohamed Osman
- Abdullahi Muhumed Osman - Amina Osman
- Amina Mahamed Osman - Chadia Sleiman Osman
- Charif Adib Osman - Farah Osman
- Ikraan Osman Farah - Haza Dilshad Osman
- Hazim Osman - Khalid Salahadin Osman
- Khalil Osman - Mohamed El-Saeid Abdel Hamied Osman
- Mohammad Osman - Raho Mohamed Osman
- Rana Osman - Shiraz Ghazi Tejo Osman
- Shorash Hassan Osman - Azra Osmanagic
- Emir Osmanagic - Farideh Osmani
- Fatima Osmani - Sofije Osmani
- Tahereh Osmani - Randi Osmann
- Ruth Osmann - Emir Osmanovic
- Enes Osmanovic - Rasim Osmanovic
- Rasima Osmanovic - Zabihullah Osmanzai
- Arno Osmark - Dzevad Osmic
- Muhamed Osmic - Erik Osmundsen
- Frederik Osmundsen - Oskar Osmundsen
- Osmund Osmundsen - Meneserey Ibrahim Osobow
- Meneserey Ibrahim Osobow - Karin Osric
- Ole Walther Osric - Knud-Erik Ossian
- Marian Lading Ossian - Safia Mohamud Ossoble
- Hans Ossowicki - Jane Idom Osted
- Jeppe Osted - Søren Osted
- Tine Osted - Birger Ostenfeld
- Birgit Fischer Ostenfeld - Harald Ostenfeld
- Heidi Ostenfeld - Kim Ostenfeld
- Kirsten Ostenfeld - Peter Ostenfeld
- Peter Aaquist Ostenfeld - Berthe Marie Ostenfeld Ørndrup
- Inge Ostenfeld-Møller - H J Ostenfeldt Jensen
- Ib Ostenfeldt Jensen - Marianne Ostenfeldt Mortensen
- Nina Ostenfeldt - Maj-Britt Ostenheim
- A Oster - Karen Oster
- Kim Oster - Søren Oster
- Søren Oster - Mogens Osterhammel
- Mogens Osterhammel - A Osterkrüger
- Annelie Valborg Osterkrüger - Elisabeth Berg Pedersen Ostermann
- Ella Ostermann - Karoline Aviaja Bligaard Ostermann
- Katja Von Druschke Ostermann - Salomina Ostermann
- Solveig Ostermann - Anne-Marie Ostersen
- Arne Marinus Ostersen - Inge-Marie Ostersen
- Inger Ostersen - Lasse Dalgaard Ostersen
- Laura Ostersen - Rene Ostersen
- Steen Ostersen - Allan Selmar Osther
- Anette Osther - Ove Peter Osther
- Palle Jörn Sloth Osther - Mette Ostov
- Rikke Christine Ostov - Malgorzata Ostrowska
- Malwina Ostrowska - Karl Ostrowski
- Kasper Ostrowski - Sisse Rye Ostrowski
- Stanislaw Ostrowski - Patrick Osuna-Florentz
- Ikponmwosa Osunde - Winni Oswald
- Anna Osypchuk - Magdalena Maria Otap
- Elly Otaris - Mihaela Diana Otelas
- Jytte Otendal - Amer Mohammad Zaki Othman
- Aysar Othman - Sarwad Othman
- Sarwad Fouad Othman - Christian Alexander Meinertz Otken
- Inge Elisabeth Liebe Otken - Dorte Otkjær
- Erik Otkjær - Katja Otkjær
- Kenni Greve Otkjær - Rene Otkjær
- Ryan Otkjær - Allen Otos
- Ann-Louise Otos - Aase Ott
- Aase Viola Ott - Ingrid Ott
- Jesper Ott - Svend Otto Ott
- Søren Ott - Anna Otte
- Anne Cheri Otte - Britta Otte
- Børge J Otte - Denise Otte
- Denise Otte - Flemming Otte
- Frank Otte - Jens Otte
