Deputy Leader of the Model House of Commons

The Deputy Leader of the Model House of Commons (Deputy Leader or Deputy Leader of the House or Deputy Prime Minister or DPM) is a senior member of the Cabinet of the Model House of Commons. The office of the Deputy Prime Minister is not a permanent position, existing only at the discretion of the Leader of the House, to give seniority to a particular cabinet minister.

The Deputy Leader usually deputises for the Leader of the House at official functions, such as Prime Minister's Questions.