Denise Tsoiafatt Angus is a Tobagonian politician who was the Presiding Officer of the Tobago House of Assembly from 2017 to 2019. Since 2021, she has led the Innovative Democratic Alliance.
Between 2013 and 2016, Tsoiafatt Angus was the Secretary of Community Development and Culture in the PNM-led administration in Tobago. She was also appointed to serve as a Councillor in the Tobago House of Assembly.
In 2017, she became the Presiding Officer of the Tobago House of Assembly. In November 2019, she resigned as Presiding Officer of the THA in order to contest the 2020 Tobago Council of the People's National Movement leadership election. In the leadership election, she came fourth with 904 votes or 18% of the vote.
In January 2021, Tsoiafatt Angus was expelled from the PNM following her decision to run as an independent candidate for the Scarborough/Calder Hall seat in the January 2021 Tobago House of Assembly election.
In August 2021, she launched a political party, the Innovative Democratic Alliance (IDA), serving as its party leader.