Events from the year 1777 in Denmark.
- 21 February – Christian Wulff, naval officer (died 1843)
- 9 May – Johannes Søbøtker, merchant, plantation owner and governor (died 1854)
- 14 August - Hans Christian Ørsted, physicist and chemist, discoverer of electromagnetism (died 1851)
- 15 October – Christian David Gebauer, painter (died 1831)
- 16 October - Johan Ludwig Lund, painter (died 1867)
- 27 October – Lauritz Nicolai Hvidt, businessman (died 1856)
- 18 November – Thomas Blom, master mason and architect (died 1841)
- 23 December – Johan Christian Drewsen, businessman and agronomist (died 1851)