Johanna Katharina Victoria, Princess of Hohenzollern-Sigmaringen (née Countess Johanna Katharina Victoria von Montfort-Tettnang (9 October 1678 - 26 January 1759) was a German noblewoman and consort of Meinrad II.

Johanna Katharina von Montfort was born on 9 October 1678 to Count Johann Anton I of Montfort-Tettnang and his wife, Countess Maria Viktoria von Spaur und Flavon.

After her husband's death in 1715, their son Joseph Friedrich Ernst succeeded him as the Prince of Hohenzollern-Sigmaringen.

As regent she entrusted the Bistervelde estate to Prussian War Commissary Dozem zu Kleve in 1718.

[3] Johanna Katharina was a Dame of the Order of the Starry Cross.