L
- (Sursee District) Liegermatt
- (Sursee District) Lipperüti
- (Lucerne-Land District) Lifelen
- (Sursee District) Lätte
- (Entlebuch District) Landbrugg
- (Willisau District) Langnau
- (Entlebuch District) Lelin
- (Willisau District) Luthern Bad
- (Entlebuch District) Lombach
- (Entlebuch District) Lochguet
- (Entlebuch District) Längwil
- (Entlebuch District) Längmatte
- (Lucerne-Land District) Ländiswil
- (Hochdorf District) Lütigen
- (Lucerne-Land District) Laubach
- (Willisau District) Lienihüsli
- (Willisau District) Ludenthal
- (Entlebuch District) Luegmoos
- (Lucerne-Land District) Längacher
- (Lucerne-Land District) Lochmühle
- (Entlebuch District) Lochmüli
- (Willisau District) Löchli
- (Hochdorf District) Ligschwil
- (Hochdorf District) Lieli
- (Willisau District) Luthern
- (Lucerne-Stadt District) Littau
- Lucerna