The Quintuple Coalition refers to the electoral alliance of five revolutionary groups contesting in the 1979 Iranian Constitutional Convention election. The groups in coalition had Islamic and radical orientations. After the elections, the coalition sent an open letter to Ruhollah Khomeini and complained about "fraud".
The five groups were:
On 18 July 1979, the coalition presented its candidates for all 10 seats in Tehran in an announcement published by Ayandegan.