Kynholmen is a village in Nässjö Municipality, in Jönköping County, Sweden. Kynholmen lies at 271 m above sea level. The nearest city is Jönköping, 27 km to the west. Among the landmarks around are Barkeryds kyrka (1.6 km), Hakarp's church (18.6 km) and Järsnäs Church (5.3 km).