Henrik Nicolai Clausen (22 April 1793 – 28 March 1877) was a Danish theologian and national liberal politician.
[3] He wrote, besides other works, Romanism and Protestantism (1825); Popular Discourses on the Reformation (1836); a commentary on the synoptical Gospels, and Christian Dogmatics (1867).
A portrait painting of him by C. A. Jensen (1827) and another one by Wilhelm Marstrand are in the collection of the Museum of National History at Frederiksborg Castle in Hillerød.
He is also depicted on Constantin Hansen's group portrait painting of The Danish Constituent Assembly (Christiansborg Palace).
Herman Wilhelm Bissen (1858, Danish National Gallery) and Theobald Stein (1865) have both created portrait busts of him.