In the 1973 Portuguese legislative election (held October 28, 1973) the People's National Action (ANP) was the only list to contest the election.
Parliamentary elections were held in Portugal on 28 October 1973, the last under the Estado Novo regime. After the only opposition party withdrew from the election, the People's National Action (ANP) was the only list to contest the election, winning all 150 seats. 
