Josip Vidmar (October 14, 1895 – April 11, 1992) was a notable Slovenian literary critic, essayist, and politician.

Josip had an older brother, Milan Vidmar, a notable engineer, chess player and writer.

Their sister Meta Vidmar studied with the famous Mary Wigman in Dresden and upon returning to Ljubljana in 1930 established the first school of modern dance in Slovenia.

During the Italian occupation of Slovene territory (later annexed to Italy as the Province of Ljubljana), the Anti-Imperialist Front (later renamed the Liberation Front of the Slovenian People, the Slovene resistance organization) was established at Vidmar's house in Rožna Dolina, Ljubljana on 26 April 1941.

Vidmar translated works from Russian, French, Italian, German, Czech, Croatian, and Serbian into Slovenе, mostly plays; works of dramatists: Aleksey Arbuzov, Gogol, Griboyedov, Krleža, Molière, Nušić, Pushkin, Aleksey Tolstoy and other authors.