Johannes Christian Roos (28 April 1826 in Kamp am Rhein – 22 October 1896 in Freiburg im Breisgau) was a German Roman Catholic clergyman. He was Bishop of Limburg from 1885 to 1886 and Archbishop of Freiburg from 1886 until his death ten years later.

• Klaus Schatz: Geschichte des Bistums Limburg. Mainz 1983.
• Christoph Schmider: Die Freiburger Bischöfe: 175 Jahre Erzbistum Freiburg. Eine Geschichte in Lebensbildern. Freiburg i. Br.: Herder Verlag, 2002. ISBN 3-451-27847-2.

• David M. Cheney. "Archbishop Johannes Christian Roos [Catholic-Hierarchy]". catholic-hierarchy.org. Retrieved 2017-01-06. ^{[self-published]}