Marcin Kalinowski (c. 1605 – 1652) was a Polish magnate and nobleman (szlachcic), Kalinowa coat of arms, Field Crown Hetman.
[1] His considerable wealth enabled him to establish his own private army, which suppressed Cossack riots and Tatar raids in Ukraine.
On 12 May 1651 he commanded victorious Polish army in the Battle of Kopyczyńce between Poles and combined Cossack-Tatar forces under chief Asand Demko.
Upon death of Grand Crown Hetman Mikołaj Potocki, who was his political and personal adversary, hetman Kalinowski commanded the choicest elements of the Commonwealth army and he had at the camp at Batoh about 10–12,000 soldiers and 10–15,000 servants and camp followers.
Kalinowski was a large landowner in Podolia and Ukraine, amongst others he was the owner of Tulchyn and castle at Sidorów, now a ruin.