Katharina of Schwarzburg-Blankenburg (after 1470 – 27 November 1514) was the wife of Count Reinhard IV of Hanau-Münzenberg (14 March 1473 – 30 January 1512). She was a daughter of Günther XXXVIII of Schwarzburg-Blankenburg (1450-1484) and Catherine of Querfurt (d. 1521). Katharina died on 27 November 1514 and was buried in the Church of St. Mary in Hanau. A picture of her can be found on the side of a seat in the choir of the church, opposite a picture of her husband.