Princess Katharina Ursula of Hohenzollern-Hechingen (also Catherine Ursula of Hohenzollern-Hechingen) (1610 – 2 June 1640 in Baden-Baden) was the first wife of Margrave William of Baden-Baden. She married him on 13 October 1624. She was the daughter of Johann Georg, Prince of Hohenzollern-Hechingen and his wife, Countess Franziska von Salm-Dhaun.
From her marriage, she had the following children:
Ferdinand Maximilian (23 September 1625 in Baden-Baden – 4 November 1669 in Heidelberg), Hereditary Prince of Baden-Baden Leopold Wilhelm (16 September 1626 – 23 February 1671 in Baden-Baden), imperial field marshal Philip Siegmund (born 25 August 1627 – died 1647, killed in battle) William Christopher (12 October 1628 in Baden-Baden – 25 August 1652) Hermann (12 October 1628 Baden-Baden – 2 October 1691) Bernard (22 October 1629 – 1648 in Rome) Francis (1637–1637) Isabella Clara Eugenie (14 November 1630 – 1632) Catherine Francisca Henriette (19 November 1631 – August 1691 in Besançon) Claudia (born 15 May 1633) Henriette (born 12 July 1634) Anna (12 July 1634 – 31 March 1708 in Baden-Baden) Maria (1636–1636) Maria Juliana (1638–1638)