Leonard King Lesser (3-dekabr, 1922 – 16-fevral, 2011) amerikalik xarakter aktyori va komediyachi bo'lib, eng ko'p "Seinfeld" teleserialidagi Uncle Leo roli bilan tanilgan. Shuningdek, u "Everybody Loves Raymond" serialidagi Garvin roli bilan ham tanilgan.
