Walther Judeich (5 October 1859, Dresden – 24 February 1942, Jena) was a German ancient historian.

His grandfather on his mother's side was publisher Heinrich Brockhaus (1804–1874).

[1] He studied history at the Universities of Tübingen, Leipzig and Strasbourg.

From 1886 to 1888 he took part in archaeological excavations in Greece and Asia Minor, followed by research in Rome, Pompeii and Sicily (1888–89).

Later on, he taught classes at the Universities of Marburg, Czernowitz and Erlangen.