Donika Kadaj Bujupi (born 20 March 1979) is a politician in Kosovo. She served in the Assembly of Kosovo from 2007 to 2021 and in April 2023 was appointed as an advisor to Republic of Kosovo president Vjosa Osmani. Kadaj Bujupi was a member of the Alliance for the Future of Kosovo (AAK) for most of her time as an elected official, although from 2016 to 2018 she was a member of Vetëvendosje (VV).