Lorentz Diderich Klüwer (23 December 1790 – 4 January 1825) was a Norwegian officer, cartographer and antiquarian.

Klüwer entered the Royal Norwegian Army becoming a Captain in 1815 and Major in 1823.

From 1811, Klüwer was a member of the Royal Norwegian Society of Sciences and Letters.

[1] From 1810 until 1814, he worked to make military maps of northern Norway from Femunden to Snåsa Municipality.

His work included surveys, historical maps and a registry of cultural monuments.