Pyotr Stepanovich Kotlyarevsky (23 June 1782 – 2 November 1852) was a Russian military hero of the early 19th century.

In 1810 he took hold of Meghri Citadel, withstood a siege by the Persian army, and then routed them on the Araks River.

In 1812, he defeated Abbas Mirza in the Battle of Aslanduz and stormed Lankaran with as little as 2,500 soldiers.

Suffering from wounds, he had to retire from active service and spent the rest of his life in the Black Sea port of Feodosiya, where he eventually died aged 70.

A local artist, Ivan Aivazovsky, devised Kotlyarevsky's mausoleum, while Prince Vorontsov ordered his statue to be erected in Ganja.