Frederick IV, Prince of Salm-Kyrburg (Frederik Ernst Otto Philip Anton Furnibert; Paris, 14 December 1789 β Brussels, 14 August 1859) was the prince of Salm-Kyrburg, Ahaus and Bocholt from 1794 to 1813.
He was the son and successor of Frederick III and his wife, Johanna Franciska of Hohenzollern-Sigmaringen.
He initially had two elder brothers and one younger sister, but all three of these died young.