Salzach

Infobox River
river_name = Salzach

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caption = The Salzach in Laufen, Germany
origin = Kitzbühel Alps
mouth = Inn
coord|48|12|24|N|12|55|46|E|display=inline,title
basin_countries = Austria, Germany
length = 225 km
elevation =
discharge = 251 m³/s
watershed = 6,700 km²

The Salzach is a river in Austria and Germany. It is a right tributary of the Inn and is 225 kilometres (140 mi) in length.

The river's name is derived from the German word "Salz", meaning "salt". Until the 19th century shipping of salt down the river was an important part of the local economy. The shipping ended when railways replaced the old transport system.

It is the main river of the Austrian state of Salzburg. The source is located in the Kitzbühel Alps near Krimml, Salzburg. From here it runs eastwards till Schwarzach im Pongau, then turns northwards and passes the cities of Hallein and Salzburg. Then it forms the border between Bavaria, Germany and Austria for almost 70 kilometres (43 mi). Cities on the banks in this last section include Laufen, Tittmoning and Burghausen. All these towns have border crossings. The river finally joins the Inn near Braunau.