- Udumegama
- Udumulla
- Udumullehena
- Udumutta
- Uduthulana
- Uduthumbe
- Uduwa
- Uduwaka
- Uduwaka
- Uduwathana
- Uduwathana North
- Uduwathana South
- Uduwewa
- Uduwewala
- Uduwila
- Uggalkaltota
- Uggoda
- Uhangoda
- Ukwattakanda
- Ulpota
- Ulugalathenna
- Ulupitiya
- Ulwala
- Umangedara
- Undugoda
- Undugodapitiya
- Uragala
- Urabadakanda
- Urakanda
- Uraulla