Hashemi has represented Denmark at various youth levels, including the under-17 and under-19 teams. She made her UEFA debut for Denmark on 20 September 2016 with a goal against Slovakia in the 2017 UEFA European Under-17 Championship qualification. Hashemi was one of the leading scorers of the 2018 UEFA European Under-19 Championship with two goals against the Netherlands. Her performances have drawn comparisons with fellow countrywoman Nadia Nadim.
