| Franz Anton, Count of Hohenzollern-Haigerloch | |
| Noble Family: | House of Hohenzollern |
| Father: | Meinrad I, Prince of Hohenzollern-Sigmaringen |
| Mother: | Anna Marie of Törring at Seefeld |
| Spouse: | Anna Maria Eusebia of Königsegg-Aulendorf |
| Birth Date: | 2 December 1657 |
| Birth Place: | Sigmaringen Castle |
| Death Place: | Friedlingen |
| Burial Place: | Weil am Rhein |
Franz Anton, Count of Hohenzollern-Haigerloch (2 December 1657 at Sigmaringen Castle - 14 October 1702 in Friedlingen), was a reigning Count of Hohenzollern-Haigerloch.
Franz Anton was the youngest son of Prince Meinrad I of Hohenzollern-Sigmaringen (1605-1681) from his marriage to Anna Marie (1613-1682), the daughter of Baron Ferdinand of Törring at Seefeld.
He served in the imperial army and reached the rank of Field Marshal-Lieutenant. Under the terms of the family's elevation to the rank of Prince, his eldest brother inherited the principality of Hohenzollern-Sigmaringen and Franz Anton only inherited the County of Hohenzollern-Haigerloch. In 1692, Emperor Leopold I again confirmed that the Princes of Swabina branch of the House of Hohenzollern held the rank of Imperial Princes, he explicitly made an exception for the Haigerloch line.[1]
Franz Anton fell in the Battle of Friedlingen, during the War of the Spanish Succession.
Franz Anton married on 5 February 1687 to Anna Maria Eusebia (1670-1716), the daughter of Count Anton Eusebius of Königsegg-Aulendorf. The couple had the following children: