Regions of Tanzania
- Sinya
- Sinuzi
- Sintali
- Sinoni
- Sinonak
- Sino
- Sinja Ndare
- Siniongoni
- Singiza
- Singiri
- Singino Hill
- Singino
- Singida Region
- Singida Rural District
- Lake Singida
- Singida
- Singida
- Singe Swamp
- Singa
- Singa
- Sindeni
- Sinde Hill Forest Reserve
- Sinde
- Sindai
- Sindadehu
- Sinda
- Sinda
- Sinawe
- Sinawe
- Sinawa
- Sinanga Dam
- Sina Island
- Simuni
- Simpala
- Simondo
- Simiyu
- Siminjiro
- Simbu
- Simbo Forest Reserve
- Simbo
- Simbo
- Simbo
- Simbo
- Simbo
- Simbo
- Ras Simba Uranga
- Simba-Uranga
- Simba Nguru
- Simba Nguru
- Simba Chinzachi
- Simba
- Simba
- Simaya Island
- Simanjiro Plain
- Sima Forest Reserve
- Simabwasi
- Sima
- Silongwe
- Silivumba
- Silemba
- Silasi
- Sila
- Sikwakwa
- Sikugunga
- Sikonge Forest Reserve
- Sikonge
- Sikoke
- Sikitiko
- Sikiro
- Siki
- Sikela
- Sikandaria
- Sika
- Sijiji Hill
- Sigwelo
- Siguri Falls
- Sigi Segoma Estate
- Sigi River
- Sigi
- Siga Hills
- Lake Sifunga
- Sifala
- Sidiogi
- Sibwesa
- Sibungu
- Sibora Dam
- Sibili
- Sibindi
- Siawangi Island
- Siana
- Shwagoi
- Shuze River
- Shurlul
- Shuriro Swamp
- Shungumbili Pass
- Shungumbili Island
- Shungului
- Shungubweni
- Shungu Bay
- Ras Shungi
- Ras Shungi
- Shungi
- Shungi
- Shungi
- Shunga
- Shunga
- Mwamba Shundo
- Shume Magamba Forest Reserve
- Shumelands Forest Reserve
- Shume
- Shumba-Vyamboni
- Shumba
- Shumba
- Shumba Viamboni
- Shulwa
- Shukula
- Shukula
- Shukeni
- Shuka Island
- Ras Shuka
- Shoshi
- Shoshani
- Shonge
- Shome
- Shoga
- Shitwi
- Shishiyu
- Shishani
- Shirikani
- Shiri
- Kaole Ruins
- Shirati Bay
- Shirati
- Shira Ridge
- Shira Plateau
- Shira
- Shira
- Shira
- Shipunga
- Shiperenge
- Shinyanga Region
- Shinyanga Urban
- Shinyanga
- Shinwankeli
- Shinooni
- Shingwi
- Shinga
- Shinema
- Shindoni
- Shindimbe
- Shinamwenda
- Shikurufumi Forest Reserve
- Chkurufumi
- Shigwa
- Shiguna
- Shigiwana
- Shigatini
- Shigara
- Shidi
- Shidi
- Shia River
- Shia
- Shetuta
- Sheta
- Shengena
- Shengejuu
- Shengejuu
- Shengejuu
- Shengejuu
- Shengejuu
- Shenejuu
- Shembekeza
- Shemausha
- Shelui
- Sheba
- Sheba
- Shearwater Patches
- Shea
- Shati
- Shareka
- Shanwa
- Shankanga
- Shangwe
- Shangwa
- Ras Shangani
- Shangani
- Shangani
- Shangani
- Shangafu
- Shangafu
- Shanga
- Shanga
- Shanga
- Shamoto
- Shamoto
- Shamiani
- Shamiani
- Shamiani
- Shambarai
- Shamba-la-Pwani