The Karawanken Autobahn (A 11) is an autobahn (motorway) in Austria. It runs about 21 km (13 mi) from the Villach junction with the Süd Autobahn (A2) and the Tauern Autobahn (A10) southwards to the Slovenian border, where it connects the A2 motorway leading to Ljubljana. It is part of the European route E61 from Villach to Rijeka.

Motorway A11
Karawanken Autobahn A11
Route information
Length	21.2 km (13.2 mi)
Major junctions
From	A2, A10 near Villach
To	A2 on Slovene border
Location
Country	Austria
Regions	Carinthia
Major cities	Villach
Highway system
Highways of Austria Autobahns Expressways State Roads
← A 10 → A 12

The A11 is named after the Karawank mountain range, which forms the Austrian–Slovenian border, crossed by the 7,864 m (25,801 ft) long Karawanks Tunnel opened in 1991.