Cilliers Brink is a South African politician who is the Mayor of Tshwane, in office since 28 March 2023. A member of the Democratic Alliance, he was the party's Shadow Minister of Cooperative Governance and Traditional Affairs from 2020 until 2023 and a Member of Parliament from 2019 to 2023. He was the party's Shadow Deputy Minister of Cooperative Governance and Traditional Affairs between 2019 and 2020.