Christian Henrik Nicolai Mejdell (1822 – 1899) was a Norwegian mining engineer.

He was born in Vang, Hedmark

Vang, Hedmark

Vang is a former municipality in Hedmark county, Norway.Vang was established as a municipality January 1, 1838 . The city of Hamar was separated from Vang in 1849. Furnes was separated from Vang in 1891...

. He took his mining examination in 1843. He worked as manager of Selbu Copper Works and Kongsberg Silver Works, and from 1865 he was the mine superindendent for all of South-Eastern Norway. He was also an editor-in-chief of the newspaper Christiania-Posten

Christiania-Posten

Christiania-Posten was a short-lived newspaper in Oslo, Norway.It was established on 17 May 1848 by Carl Arntzen and Ludvig Vibe, who both edited it until 1853. Ludvig Kristensen Daa then took over, and the newspaper's allegiance subsequently changed from conservative to liberal...

, and issued books.

He was a nephew of officer Jacob Gerhard Meydell, brother of forester Thorvald Mejdell

Thorvald Mejdell

Thorvald Mejdell was a Norwegian forester.He was born in Ringsaker as a son of colonel Gløer Gløersen Mejdell and Thorine Krog. He was a nephew of officer Jacob Gerhard Meydell and brother of mining engineer Nicolai Mejdell, and an uncle of jurist and writer Glør Thorvald Mejdell...

 and the father of jurist and writer Glør Thorvald Mejdell

Glør Thorvald Mejdell

Glør Thorvald Mejdell was a Norwegian barrister, judge and political writer.He was born in Kongsberg as a son of mining engineer Nicolai Mejdell , nephew of forester Thorvald Mejdell and grandnephew of officer Jacob Gerhard Meydell. He finished his secondary education in 1868, took the cand.jur...

. Through his sister Cecilie Marie Mejdell he was a brother-in-law of Matthias Wilhelm Sinding

Matthias Wilhelm Sinding

Matthias Wilhelm Sinding was a Norwegian mining engineer and factory founder.He was born in Fredrikstad as a son of Ulrik Rosing Sinding and Mette Marie Bang...

 and an uncle of Christian

Christian Sinding

Christian August Sinding was a Norwegian composer.-Personal life:He was born in Kongsberg as a son of mine superindendent Matthias Wilhelm Sinding and Cecilie Marie Mejdell . He was a brother of the painter Otto Sinding and the sculptor Stephan Sinding...

, Otto

Otto Sinding

Otto Ludvig Sinding was a Norwegian painter, illustrator, poet and dramatist. Sinding drew on motives from Norwegian nature, folk life and history.-Personal life:...

 and Stephan Sinding

Stephan Sinding

Stephan Abel Sinding was a Norwegian-Danish sculptor. He moved to Copenhagen in 1883 and had his breakthrough the same year. In 1890 he obtained Danish citizenship. In 1810 he settled in Paris where he lived and worked until his death in 1922...

; and also an uncle of Thora Cathrine Sinding who married his son Glør.