Herman, Margrave of Brandenburg, also known as Herman the Tall (c. 1275 – 1 February 1308), a member of the House of Ascania, was Margrave and co-ruler of Brandenburg with his cousin Margrave Otto IV of Brandenburg-Stendal.

Herman was the son of Margrave Otto V of Brandenburg-Salzwedel and his wife Judith, daughter of the Franconian count Herman I of Henneberg.

In 1299, he succeeded his father as co-regent of Brandenburg, which he ruled jointly with his cousin Otto IV.

In 1308, war broke out between Brandenburg and the Duchy of Mecklenburg, the so-called North German Margrave War.

In 1295 he married Anne of Austria (1280-1327), the daughter of the late Habsburg king Albert I of Germany.