Ikaalinen (Finnish: [ˈikɑːlinen]; Swedish: Ikalis) is a city and municipality of Finland.

It is part of the Pirkanmaa region, located 55 kilometres (34 mi) northwest of Tampere.

The municipalities next to it are Hämeenkyrö, Jämijärvi, Kankaanpää, Parkano, Sastamala and Ylöjärvi.

S. Albert Kivinen, a writer and associate professor of philosophy of the University of Helsinki, is a native of Ikaalinen and his story Keskiyön Mato Ikaalisissa ("The Midnight Worm in Ikaalinen") is set there.

The private coach company OnniBus route Helsinki—Seinäjoki—Vaasa has a stop at Ikaalinen.