T
- (Province of Isabela) Talaytay
- (Province of Isabela) Tacnalan
- (Province of Isabela) Tagbak
- (Province of Cagayan) Tubel
- (Province of Cagayan) Tucalana
- (Province of Cagayan) Taligan
- (Province of Cagayan) Tabbac
- (Province of Cagayan) Tanglagan
- (Province of Cagayan) Tanug
- (Province of Cagayan) Tagum
- (Province of Isabela) Tarigagay
- (Province of Isabela) Tomines
- (Province of Isabela) Trinidad
- (Province of Isabela) Turod
- (Province of Cagayan) Tallang
- (Province of Cagayan) Taguntungang
- (Province of Cagayan) Tumbali
- (Province of Cagayan) Tumalo
- (Province of Cagayan) Tanaru
- (Province of Isabela) Tuliao
- (Province of Nueva Vizcaya) Tadjie
- (Province of Quirino) Tucod
- (Province of Nueva Vizcaya) Tacbao
- (Province of Nueva Vizcaya) Tapaya
- (Province of Quirino) Tapa
- (Province of Nueva Vizcaya) Tabanganay
- (Province of Nueva Vizcaya) Tullag
- (Province of Cagayan) Tulad
- (Province of Cagayan) Tugod
- (Province of Cagayan) Tumok