| Nikolaus Gjelsvik | |
| Birth Date: | 11 April 1866 |
| Birth Place: | Vevring, Norway |
| Occupation: | Jurist |
Nikolaus Gjelsvik (11 April 1866 - 14 November 1938) was a Norwegian jurist and law professor.
He was born at Vevring in Sunnfjord. He served as a professor at the University of Kristiania (now University of Oslo) from 1906.
Among his works are the books Innleiding i rettsstudiet from 1912, Lærebok i folkerett from 1915, and Lærebok i millomfolkeleg privatrett from 1918. He was a proponent for the Nynorsk language, took part in organisational work, and had leading positions in the publishing house Det Norske Samlaget and in the societies Noregs Ungdomslag and Noregs Mållag.[1] [2] [3]
Marshals at his funeral were Nicolai Rygg and Ferdinand Schjelderup.[4]