Count Christoph Anton Maria von Wydenbruck (5 February 1856 – 4 October 1917) was an Austrian diplomat.
He was the eldest son of diplomat Count Ferdinand von Wydenbruck and Isabella (née Blacker).
Among his siblings were Count August von Wydenbruck (who married Countess Maria Esterházy de Galántha) and Countess Isabella von Wydenbruck (who married Count Folliot de Crenneville-Poutet, parents of writer Hermynia Zur Mühlen).
Her brother, Karl, 5th Prince Fugger von Babenhausen, was married to Princess Eleonora of Hohenlohe-Bartenstein.
Together, Christoph and Marie were the parents of: Count von Wydenbruck died on 4 October 1917 at Reichenhall, a spa town in Upper Bavaria.