S
- (Entlebuch District) Steinhuserberg
- (Sursee District) Schönenboden
- (Lucerne-Land District) Schiberen
- (Hochdorf District) Schache
- (Sursee District) Schlierbach
- (Lucerne-Land District) Stöck
- (Entlebuch District) Stritweid
- (Willisau District) Spärbelegg
- (Willisau District) Schürneuhus
- (Entlebuch District) Sageli
- (Entlebuch District) Scheidi
- (Lucerne-Land District) Schürmattweid
- (Entlebuch District) Stalden
- (Entlebuch District) Stöckere
- (Entlebuch District) Seebli
- (Sursee District) Seehubel
- (Sursee District) Stockschürli
- (Sursee District) Seehüsli
- (Hochdorf District) Süesstannen
- (Willisau District) Schachen
- (Sursee District) Schlichti
- (Hochdorf District) Sankt Katharina
- (Hochdorf District) Schaubhus
- (Sursee District) Schürli
- (Lucerne-Land District) Sonderi
- (Lucerne-Land District) Schönsicht
- (Willisau District) Schwendlen
- (Sursee District) Schönmoos
- (Lucerne-Land District) Schwarzenberg
- (Sursee District) Schenkon