Irena Maria "Ika" Popiel (22 June 1925 – 15 October 2010) was a Polish nun who served at the order of the Benedictine Nuns of Perpetual Adoration of the Blessed Sacrament, and was a prioress of the order's convent in Warsaw, as well as the initiator and co-founder of the Conference of Superiors of Female Confraternity Monasteries in Poland.