Regions of South Sudan
- Urungo
- River Unyama
- Okosho
- Nyawa
- Nyimur
- Moruto
- Jabal Matoko
- Masawa
- Lonyili
- Lipan
- Lachilia
- Kakal
- Agorro Mountains
- Agu
- Cantiere
- Province of West Equatoria
- Zungumbia
- Khor Zumbi
- Khor Zoggo
- Zingwanda
- Khor Zengu
- River Zemba
- Khor Zazi
- Khor Zeini
- Jabal Zaynī
- Raqaba ez Zarqa
- Meshra‘ Zeraf
- Bahr ez Zeraf
- Khor Zangu
- Zangia
- Zanga
- Zakka
- Khor Zaka
- Zabit
- Khor Yutu
- Yusuf Natcha
- Yusuf Batil
- Yungriom
- Khawr Yubu
- Khawr Yubu
- River Yubo
- River Yubo
- Yoynyang
- Yor
- Yomding
- Yom
- Yolwot
- Yollei
- Yokwai
- Yoing
- Yirwa
- Khor Yirr Pet
- Khor Yirr Gwol
- Khor Yirongo
- Lake Yirol
- Yirol
- Yinkusa
- Yinga
- Yill
- Yih
- Yidit
- Khor Yeta
- Yerbora Rapids
- Yenanoi
- Khor Yembi
- Khor Yembe
- Khor Yemba
- Yemba
- Yelgu
- Yelakot
- River Yei
- Khor Yei
- Yei
- Yegi Yegi
- Yedid
- Yebisak
- Yeba
- Jabel Yarra
- Yarkwaich
- Yari
- Yargut
- Yar
- Rijl Yappa
- Lake Yangyom
- Yanguba
- Yangenya
- Khor Yanga
- Yandu
- Yan
- Yamma
- Yambio
- Yamarogo
- Yali
- Yala
- Yakumi
- Jabal Yakka
- Khor Yakba
- Yakara Dogatwan
- Yaiwal
- Khor Yair
- Khor Yaguro
- Yagaru
- Yafgar
- Yafa
- Khor Yabus
- Khor Yabongo
- Yabangwa
- Wuthol
- Wuthoing
- Wuriyang
- Wurang
- Wunyat
- Wunyar
- Wun Wai
- Wunura
- Wun Tur
- Wun Tit
- Wunthou
- Wun Thou
- Wuntau
- Wuntao
- Wun Shwai
- Wun Shol
- Wunshaiye
- Wun Rual
- Wun Rog
- Wun Liyu
- Wun Lit
- Wun Liet
- Wunkwil
- Wunkwil
- Wun Kwel
- Wun Kwel
- Wun Kwel
- Wunkur
- Wunkur
- Wun Kote
- Wunkok
- Wunkoi
- Wunkir
- Wunkir
- Wunkel
- Wuniyer
- Wunging
- Wun Ghir
- Bangalo
- Wundong
- Wundong
- Wundok
- Wundeyem
- Wun Chwei
- Wunbut
- Wunbut
- Wunayan
- Wunawol
- Wunarual
- Wunapith
- Wunanyak
- Wunanomdamir
- Wunamith
- Wun Amet
- Wunalong
- Wun Aliet
- Wunaleng
- Wunalam
- Wunakoich
- Wunakir
- Wunakei
- Wunagwan
- Wunagoi
- Wunaget
- Wunagak
- Wunadup
- Wunador
- Wunachwil
- Wun Abiyei
- Wun
- Wun
- Wulyang
- Wulikare
- Wulbar
- Wulang
- Wubek
- River Wowo
- Wowa
- Wotu
- Woteng
- Woteng
- Woroworo
- Wor Char
- Wor
- Wontoi
- Wontambi
- Wongotero
- Wongkurnuk
- Khor Wol
- Wokoi
- Woke
- Woinglek
- Woi