L
- (Province of Sultan Kudarat) Langgal
- (Cotabato) Laguisi
- (Province of South Cotabato) Lusok
- (Province of Sultan Kudarat) Lupokon
- (Province of Sarangani) Lun Grande
- (Cotabato) Luna
- (Cotabato) Lumuluas
- (Cotabato) Lumopog
- (Province of Sarangani) Lumit
- (Cotabato) Lumbatan
- (Province of South Cotabato) Lumatiz
- (Province of South Cotabato) Lumakil
- (Province of Sarangani) Luma
- (Cotabato) Lulu
- (Cotabato) Luguilo
- (Cotabato) Lugaylugay
- (Province of Sarangani) Luan
- (Province of Sultan Kudarat) Lower Mangilala
- (Cotabato) Lower Inas
- (Province of Sarangani) Lot
- (Province of South Cotabato) London
- (Cotabato) Lomoyan
- (Province of South Cotabato) Llamos Buni
- (Province of South Cotabato) Liwanay
- (Cotabato) Liong
- (Province of Sarangani) Lintak
- (Province of Sarangani) Linek
- (Cotabato) Lindungan
- (Province of Sarangani) Linao
- (Province of Sarangani) Linao