Leonhard Deininger (November 11, 1910 - September 17, 2002) was a German politician, representative of the Christian Social Union of Bavaria.
From 1958-1970 he was a deputy in the Landtag of Bavaria for the constituency of Regensburg-Land, a member of the Bavarian Senate (1972-1977 ) as well as County Commissioner in the district of Regensburg (1948-1978).[1]