Johann Tautscher (Slovenized: Janez Tavčar, c. 1544 – August 24, 1597) was a Roman Catholic priest and bishop of Ljubljana.

[1][2] Tautscher was born around 1544 to a peasant family in Štanjel (according to the general belief, or according to folk tradition in Dutovlje or Kreplje), and he died in Graz and was buried in Gornji Grad.

In Vienna, where he studied theology, Tautscher was registered as "de Sancto Michaele Carnus" and "Goritiensis", and he was a close relative of his predecessors as bishop of Ljubljana: Urban Textor and Konrad Adam Gluschitz.

On September 24, 1584, Archduke Charles appointed him his advisor and provincial deputy in Graz, which further contributed to Tautscher remaining outside the diocese.

Tautscher died in Graz, and after his death his body was transported to Gornji Grad, where he was buried and Bishop Chrön had a tombstone erected.