Iser Lubotzky (Lubocki) (Hebrew: איסר לובוצקי‎; 13 December 1922, in Vilnius – 27 February 2009, in Ramat Gan) was a member of Betar, the Vilna-ghetto's underground and a partisan fighter. He was both a fighting member and a commander of the Irgun, serving as a national recruiting officer and heading the Ramat Gan group. As a lawyer, he served as the head of Herut’s lawcourt and as the Likud's first legal adviser.