The Wyna (or Wyne) is a river located mostly in Canton of Aargau, but also in Canton of Lucerne, Switzerland and runs through the Wynetal (the Wyne Valley). It is a tributary of the Suhre. The Wyna is 32 km long (main outflow in Reinach (AG): 0.9 m3/s). Larger towns in Wynetal are Beromünster, Menziken, Reinach (AG) and Gränichen.