Nikolai Ivanovich Orlov (1860, 1918) was a Russian architect. He graduated from the Moscow School of Painting, Sculpture and Architecture, and in 1886 he received the title of class artist in architecture.

From 1891 to 1899, Orlov worked in Tula, where he held the position of a non-staff technician in the Construction Department of the Tula Provincial Government.

Since 1900, he lived permanently in Moscow. Here, Orlov worked as an architect for the Ermakov Charity House and the Elizabeth Institute, and he also served as the architect for the Moscow-Kursk Railway. He is buried in Moscow at the Vvedensky Cemetery.