The Polish 10th Armoured Cavalry Brigade was an armoured formation of the Polish Armed Forces in the West. It was organized in France during World War II as part of the Polish Army in France, mostly by veterans of the 10th Motorized Cavalry Brigade who managed to escape from German and Soviet occupied Poland. Led by General Stanisław Maczek, it took part in the Battle of France in May 1940. It was later reformed in Great Britain as a part of the 1st Armoured Division.

The 10th Cavalry Brigade was a Polish military unit in World War II. It was the only fully operational Polish motorized infantry unit during the Invasion of Poland, as Warsaw Armoured Motorized Brigade was not completed by September 1, 1939.