- Umbulan Talukbalau
- Umbulan Tanjung Agung
- Umbulan Tanjung Iman
- Umbulan Tanjung Saketi
- Umbulan Tanjungawi
- Umbulan Tanjungdalem
- Umbulan Tanjungeman
- Umbulan Tanjungharapan
- Umbulan Tanjungkelik
- Umbulan Tanjungrusia
- Umbulan Tanjungselamat
- Umbulan Tataan
- Umbulan Tawar Leba Dua
- Umbulan Tawar Leba Satu
- Umbulan Tawar Tengah
- Umbulan Tebatalun
- Umbulan Tebingraca
- Umbulan Tebingsulu
- Umbulan Teguhan
- Umbulan Temedak
- Umbulan Temedak
- Umbulan Terusanbawang
- Umbulan Tias
- Umbulan Titibungui Dua
- Umbulan Titibungui Satu
- Umbulan Titihangalih Satu
- Umbulan Tuha
- Umbulan Tulangbawang
- Umbulan Tulungbuluh
- Umbulan Tunggal