Martin Nyrop (11 November 1849 – 18 May 1921) was a Danish architect who designed the Copenhagen City Hall, the Vallekilde Folk High School, and the majority of the buildings for the Nordic Exhibition of 1888.

Gasometer at Østre Gasværk, now the Gasværket Theatre, Copenhagen (1851)Building for the Nordic Exhibition of 1888, Copenhagen (1886–88, demolished)Danish State Archive for Zealand, Lolland-Falster and Bornholm, Copenhagen (1891–92, extended)Copenhagen City Hall, Copenhagen (1892–1905)Gate house at Gisselfeld Castle, Zealand, Denmark (1894)Elijah Church, Vesterbro, Copenhagen (1905–08)Bispebjerg Hospital, Bispebjerg, Copenhagen (1906–13)Luther Church, Østerbro, Copenhagen (1913)Storm Bridge redesign, Slotsholmen, Copenhagen (project 1898, construction 1918)