Kuivalainen is a Finnish surname. Notable people with the surname include:

Kari Kuivalainen (born 1961), Finnish singer-songwriter Mateli Magdalena Kuivalatar (née Kuivalainen, 1777–1846), Finnish folk singer Pasi Kuivalainen (born 1972), Finnish ice hockey goaltender Sandhja Kuivalainen (born 1991), Finnish singer