Jan Wojciech Kiwerski, nom de guerre Oliwa, also Dyrektor, Kalinowski, Lipinski, Rudzki, Ziomek (23 May 1910 – 18 April 1944) was a colonel of the Polish Army and commandant of the 27th Home Army Infantry Division. Kiwerski was killed in action on April 18, 1944, during Operation Tempest during World War II. Kiwerski was born on May 23, 1910, in Kraków. His father was Wladyslaw Kiwerski, a physician, and his mother was Maria Jadwiga née Rogalska. By the age of 14, Kiwerski was an orphan, and in September 1923, he was accepted into Military Cadet School Nr. 2, graduating with honors in June 192