Tuva Moa Matilda Karolina Novotny Hedström (born 21 December 1979) is a Swedish actress, director, and singer.

She was born in Stockholm, and was raised in Åmot, Brunskog, outside Arvika. She is the daughter of Czech film director David Jan Novotný and Swedish artist Barbro Hedström. At a young age, she participated in Vår teater, a children's theater in Stockholm.

She has two children: a daughter with Nicolai Bjerrum Lersbryggen, and a child (born 2022) with actor Alexander Skarsgård.