In the 2021 Dutch general election, Gündoğan was again placed second on Volt's party list. She had been a candidate to be the party's , but this position had gone to Laurens Dassen instead in June 2020. Gündoğan received 41,352 preference votes in the election and her party won three seats. She was installed into the House of Representatives on 31 March. She is on the Committees for Defence; for Education, Culture and Science; for Finance; and for Public Expenditure. In June 2021, Gündoğan filed a motion to prohibit tobacco lobbying, but it came seven votes short of passing the House. Another proposal of her was a new tax on profit made from the sale of a house, similar to an existing one in France, in order to address rising housing prices by combatting speculation.
