Johan Sigismund von Mösting (2 November 1759 – 16 September 1843) was a Danish banker and finance minister.

Johan Sigismund von Mösting was born at Nygård on the island of Møn.

Johan Sigismund von Mösting studied jurisprudence at University of Copenhagen, graduating in 1782.

[2] Cape Møsting in Greenland was named after him in 1829 by Lieutenant Wilhelm August Graah (1793–1863).

[3] He helped promote interest in astronomy and was a significant figure in the founding of the scientific journal Astronomische Nachrichten.