Lothar Kübel or (from 1870) von Kübel (22 April 1823 in Sinzheim – 3 August 1881 in Sankt Peter, Baden-Württemberg) was a German Roman Catholic clergyman, who acted as auxiliary bishop and Apostolic Administrator in the Roman Catholic Archdiocese of Freiburg.
A street in his birthplace as well as the town's Realschule and Hauptschule are all named after him.