Wiązów [ˈvjɔ̃zuf] (German: Wansen) is a town in Strzelin County, Lower Silesian Voivodeship, in south-western Poland.

The exact origins of the etymology of the town of Wiązów are left unknown, but two theories have been formed.

Both are documented by Polish writer Konstanty Damrot, in his 1896 publication documenting Silesian names, published in Bytom - "von wiąz - Ulme" (...) auch von wąż - die Schlange (...).

In 1252, it was granted town rights by Duke Henry III the White.

In the final stages of World War II, a German-organized death march of Allied prisoners of war from the Stalag Luft 7 POW camp stopped in the town on 23 January 1945.