Littau is a former municipality, and now part of the city of Lucerne, in the district of Lucerne in the canton of Lucerne in Switzerland. On 1 January 2010 the municipality of Littau merged into the municipality of Lucerne.
Littau is first mentioned in 1178 as Litowo. On 1 January 2010, Littau has merged with the city (and municipality) of Lucerne. Art. 5 of the merger treaty states that the new municipality's name is to be "Luzern".
Littau has an area of 13.3 km2 (5.1 sq mi). Of this area, 52.3% is used for agricultural purposes, while 21.1% is forested. Of the rest of the land, 24.8% is settled (buildings or roads) and the remainder (1.7%) is non-productive (rivers, glaciers or mountains).In the 1997 land survey, 21.08% of the total land area was forested. Of the agricultural land, 49.17% is used for farming or pastures, while 3.16% is used for orchards or vine crops. Of the settled areas, 10.47% is covered with buildings, 4.29% is industrial, 1.96% is classed as special developments, 2.33% is parks or greenbelts and 5.8% is transportation infrastructure. Of the unproductive areas, 1.66% is unproductive flowing water (rivers) and 0.08% is other unproductive land.