Tamir Heyman (born in 1968) is a reserve IDF officer with the rank of Aluf who serves as the director of the Institute for National Security Studies.

He served as a communications operator in Battalion 82 of Brigade 7 and participated in combat in South Lebanon when his unit was stationed at the Reihan outpost.

He was promoted to the rank of colonel and went on to study at the National Security College while concurrently commanding the "Re'em" Formation, an armored brigade in the reserves.

[5] His tenure was characterized by the division's handling of the spillover of the Syrian Civil War into Israeli territory, including shooting incidents at IDF forces, mortar shell falls, and Israeli retaliatory fire that destroyed Syrian military positions.

[9] In 2022, he took up his position as the director of the Institute for National Security Studies, replacing Udi Dekel.