| Nielsen, Johannes, | Johannes Nielsen | Actor, Director | 1901 - 1922 | 21 | |
| Nielsen, Jørgen | Jørgen Nielsen | Actor | 1983 | 1 | |
| Nielsen, Katja, | Katja Nielsen | Actor | 2013 | 1 | |
| Nielsen, Kenn, Lund | Kenn Lund Nielsen | Director, Producer | 2008 | 2 | |
| Nielsen, Kim, | Kim Nielsen | Costume Designer, Designer | 2004 | 2 | |
| Nielsen, Klaus | Klaus Nielsen | Actor | 1960 | 1 | |
| Nielsen, Kristine | Kristine Nielsen | Actor | 1983 | 4 | |
| Nielsen, Kurt, Erik | Kurt Erik Nielsen | Actor | 1960 | 1 | |
| Nielsen, Lars Emil | Lars Emil Nielsen | Actor, Dancer | 2017 - 2019 | 2 | |
| Nielsen, Leonora Alexandra, | Leonora Alexandra Nielsen | Actor | 1993 - 1994 | 1 | |
| Nielsen, Linda | Linda Nielsen | Actor | 1994 | 1 | |
| Nielsen, Lisa | Lisa Nielsen | Dancer | 2017 | 1 | |
| Nielsen, Mads, M. | Mads M. Nielsen | Actor | 2008 | 2 | 2 |
| Nielsen, Mari Lange, | Mari Lange Nielsen | Actor | 1995 | 1 | |
| Nielsen, Marianne, | Marianne Nielsen | Actor | 1985 - 2018 | 83 | |
| Nielsen, Marie | Marie Nielsen | Actor | 1913 | 4 | |
| Nielsen, Martinius, | Martinius Nielsen | Actor | 1886 - 1911 | 21 | 21 |
| Nielsen, Mathilde, | Mathilde Nielsen | Actor | 1898 - 1927 | 3 | |
| Nielsen, Meentje | Meentje Nielsen | Costume Designer | 2014 - 2016 | 3 | |
| Nielsen, Mette , Sofie | Mette Sofie Nielsen | Adaptation | 1979 | 1 | |
| Nielsen, Mogens Frohn, | Mogens Frohn Nielsen | Actor | 1999 | 1 | |
| Nielsen, Mr. | Mr. Nielsen | Actor | 1877 - 1885 | 5 | |
| Nielsen, Nathalie, | Nathalie Nielsen | Actor | 1901 | 12 | |
| Nielsen, Oda, | Oda Nielsen | Actor | 1871 - 1900 | 23 | 23 |
| Nielsen, Otto, | Otto Nielsen | Actor | 1909 | 25 | |
| Nielsen, Peder, | Peder Nielsen | Actor | 1853 - 1861 | 5 | 5 |
| Nielsen, Peter, | Peter Nielsen | Actor | 1856 - 1888 | 22 | 22 |
| Nielsen, Peter, | Peter Nielsen | Actor | 1922 | 1 | |
| Nielsen, Pil | Pil Nielsen | Actor | 2013 | 1 | |
| Nielsen, Poul, | Poul Nielsen | Actor, Director | 1885 - 1917 | 16 | |
| Nielsen, Roma, | Roma Nielsen | Actor | 1924 - 1928 | 1 | |
| Nielsen, Scott L. | Scott L. Nielsen | Composer, Sound Designer | 2009 | 2 | |
| Nielsen, Silje Hamre, | Silje Hamre Nielsen | Actor | 2006 | 1 | |
| Nielsen, Sydne | Sydne Nielsen | Actor | 2011 | 1 | |
| Nielsen, Torben | Torben Nielsen | Actor | 2002 | 1 | |
| Nielsen, Ulla, Thor | Ulla Thor Nielsen | Dancer | 1961 - 1962 | 1 | |
| Nielsen, Vivian | Vivian Nielsen | Adaptation | 2013 | 1 | |
| Nielson, Hortence, | Hortence Nielson | Actor | 1908 | 2 | |
| Nielson, Karla | Karla Nielson | Actor | 2000 | 1 | |
| Nielson, Kim | Kim Nielson | Designer | 2000 | 1 | |
| Nielson, Mark | Mark Nielson | Actor | 1965 | 1 | |
| Nielson, Stephanie | Stephanie Nielson | Actor | 2004 - 2005 | 1 | |
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