Praça Francisco Sá Carneiro, Public square in Areeiro, Lisbon, Portugal

Praça Francisco Sá Carneiro, known as Praça do Areeiro, is a square laid out between 1938 and 1949 as the northern terminus of Avenida Almirante Reis. Its uniform buildings, designed by Luís Cristino da Silva within João Faria da Costa's 1938 Bairro do Areeiro plan, mix modern rationality with monumental and traditional elements of Estado Novo architecture. A ten-storey residential tower closes the axis of Avenida Almirante Reis, and a monument to Francisco Sá Carneiro stands in the centre.

The square was laid out between 1938 and 1949 as the northern terminus of Avenida Almirante Reis, within João Faria da Costa's 1938 plan for the Bairro do Areeiro. It was first named Praça do Areeiro in 1947. On 5 April 1982 it was renamed in memory of Prime Minister Francisco Sá Carneiro (1934–1980), who died in a plane crash.

The square is named after Francisco Sá Carneiro, prime minister of Portugal from January to December 1980, who died in a plane crash that year; the renaming took place on 5 April 1982. Until then it had been called Praça do Areeiro since 1947.

The square is easily accessible via Areeiro metro station on the green line, which provides multiple connections throughout the city center and to the airport. The location is straightforward to reach on foot from various directions.

The square was laid out between 1938 and 1949 as the northern terminus of Avenida Almirante Reis, and the Estado Novo intended it as a gateway to a "capital of the empire". From here Avenida Almirante Gago Coutinho runs toward Lisbon-Portela airport, opened in the late 1930s. A ten-storey residential tower closes the axis of Avenida Almirante Reis.