Christian Frühstück Nielsen was a Danish architect born in Aarhus, Denmark on 7 August 1878.

In 1898 he graduated from Technical School and between 1900 and 1907 he attended the architecture school at the Royal Danish Academy of Fine Arts in Copenhagen from where he graduated with a degree in architecture.

[1][2] He found employment at Vilhelm Dahlerup, the City Architect of Copenhagen Axel Møller and Martin Borch.

He was chairman of the Association of Byggeinteresserede in 1921–46, member of Tilsynsrådet for Jydske Hypotekforeninger, Bygningskommisionen i Aarhus and the board of Architects' Association of Denmark in two different periods.

[3] Christian Frühstück Nielsen was married to Karen Elisabeth Hansen on 17 May 1919 in Copenhagen and died on 3 January 1956 in Aarhus.