Tuba (disambiguation)
- At-Tuwani
- Bidayat
- Chief Tuba
- Cumulonimbus
- Derris elliptica
- Hebron Hills
- International Tuba Euphonium Association
- Internet Protocol
- Jatropha curcas
- Roman tuba
- Tabu Recordings
- Touba (disambiguation)
- Trans-umbilical breast augmentation
- Tuba (given name)
- Tuba (river)
- Tuba City, Arizona
- Tuba Dei
- Tuba curva
- Tuba mirum
- Tuba, Benguet
- Tuba, Iran
- Tubalars
- Tubas (city)
- Tubâ
- Turkish Academy of Sciences
- Umm el-Marra
- Wagner tuba
- Ṭūbā (tree)