Matea Sumajstorčić (born 5 April 1999) is a Croatian swimmer.
[1] She represented Croatia at the 2019 World Aquatics Championships held in Gwangju, South Korea.
She competed in the women's 800 metre freestyle and women's 1500 metre freestyle events.
[2][3] In both events she did not advance to compete in the final.
[2][3] This biographical article related to a Croatian swimmer is a stub.