- Flat
- Flat Fork
- Flat Prairie
- Flat Rock
- Flat Top
- Flatonia
- Flatrock Crossing
- Flatrock Ford
- Flats
- Fleamarket Colonia
- Fleming
- Fletcher
- Flint
- Flo
- Flomot
- Flor del Rio Colonia
- Flora
- Flora Colonia
- Florence
- Florence Hill
- Florentino Ramos Colonia
- Florentino Sosa Colonia
- Flores Addition Colonia
- Flores Brothers Colonia
- Floresta Colonia
- Floresville
- Florey
- Flour Bluff
- Flour Bluff Junction
- Flowella