Frederik Adeler (1764-1816) was a Dano-Norwegian noble and government official.

[1] Adeler was a son of Baron Conrad Wilhelm Adeler and Ulrika Helene de Cicignon.

On 1 July 1786, he married Berta Countess Moltke.

They had a daughter, Sophie Hedevig baroness Adeler.

In 1804 he received the Grand Cross of the Order of the Dannebrog.