Lumiar (Portuguese pronunciation: [lumiˈaɾ]) is a parish in the northern area of the Portuguese capital of Lisbon. Located in the municipality of Lisbon it was officially created in the 13th century. It has a estimated population of 45000, inhabiting a land area of about 628 km² (242 sq mi). There are 5 major neighbourhoods in Lumiar: Quinta das Conchas, Calçada de Carriche, Alto do Lumiar, Paço do Lumiar and Telheiras.

Local landmarks and interesting places include one of the biggest public greenspace/urban park in the city Quinta das Conchas e dos Lilases, the Paço do Lumiar, the National Costume Museum (Museu do Traje) and the Theater Museum (Museu do Teatro). Several old palaces are also scattered along the neighbourhood.