Raoul Mesnier du Ponsard was a Portuguese engineer of French parentage, known for building many elevators and funiculars in Portugal. He is particularly known for his engineering work on Lisbon landmarks the Santa Justa Lift, the Ascensor da Glória, the Ascensor da Bica, and the Ascensor do Lavra, as well as the Bom Jesus do Monte Funicular in Braga.

The Santa Justa Lift, also called Carmo Lift, is an elevator, or lift, in the civil parish of Santa Justa, in the historic center of Lisbon, Portugal. Situated at the end of Rua de Santa Justa, it connects the lower streets of the Baixa with the higher Largo do Carmo.