Jacob Baden (4 May 1735 – 5 July 1804) was a Danish philologist, pedagogue, and critic.
He was a professor of rhetoric and Latin at the University of Copenhagen in 1779.
He was the first person to lecture on Danish grammar at the university between 1782 and 1783.
He was the editor of the "University Journal" from 1793 to 1801.He published a Danish-Latin dictionary, and also wrote an elementary Greek grammar book in 1764.
He produced a Danish grammar book in the German language in 1767.
His Danish grammar is still well recognized today.