Liezen (; Central Bavarian: Liezn; local dialect pronunciation [-êÃÂ-]) is a municipality in the Austrian state of Styria, district capital of the district of the same name and economic center on the River Enns.
Since 1995, the left-wing SPàparty has held an absolute majority in the local council. As of the 2015 local elections, the SPàholds 13 out of 25 seats on the council, the ÃÂVP has 6, the FPàhas 3, a local party known as Die LIEB has 2, and Die Grünen has 1.
A large mechanical engineering plant, Maschinenfabrik Liezen und GieÃÂerei, is located in the east of the town; it was connected to the "Noricum scandal" in the 1980s due to the illegal export of armaments. As of 2012, the company remained a large employer.
In the adventure novel series by Gérard de Villiers, Schloss Liezen is the home of the principal character Prince Malko Linge. However, this fictional castle is situated on the , with most of its estates over the border in Hungary.