Hedgehog in the Fog (Russian: Ёжик в тумане, tr. Yozhik v tumane, IPA: [ˈjɵʐɨk f tʊˈmanʲɪ]) is a 1975 Soviet animated film directed by Yuriy Norshteyn, produced by the Soyuzmultfilm studio in Moscow. The script was written by Sergei Kozlov, who also published a book under the same name. In 2006, Norshteyn published a book titled Hedgehog in the Fog, listing himself as an author alongside Kozlov.
Hedgehog in the Fog was ranked #1 in a poll at the 2003 Laputa Animation Festival where 140 animators from around the world voted for the best animated films of all time.