Lucerne District is an Amt (administrative district) of the Canton of Lucerne, Switzerland. It has a population of (as of ) and consists of 18 municipalities, of which the city of Lucerne is the largest and the district capital:

1992/97 survey gives a total area of without including certain large lakes, while the 2000 survey includes lakes and gives the higher value.

Includes the area of Littau which merged into Luzern on 1 January 2010.