Regions of South Sudan
- Lichinairo
- Jabal Libiggu
- Khor Libago
- Libago
- Liang
- Liamyok
- Liaba
- Khor Lesi
- Lesi
- Lerum
- Lerua
- Lerpini
- Lerping
- Leriok
- Leringa
- Leer
- Lengyileng
- Khawr Lengwiri
- Lengchok
- Khor Lemoi
- Lelo
- Khor Lelibabu
- Lele
- Khor Lelazat
- Leku
- Lekr
- Lekilla
- Khawr Leiya
- Fula Leiro
- Khor Leira
- Leik
- Leik
- Rijl Leiforo
- Leich
- Khor Lei
- Leho
- Legeri
- Jabal Lege
- Lebissi
- Lebang
- Lear
- Lauru
- Launom
- River Lau
- Lou
- Lau
- Latuka
- Latome
- Latiri
- Latha
- Latafor
- Lasuba
- Lashang
- Larua
- Laru
- Laropi
- Larema
- Laposs
- Laoza
- Janya
- Lanya
- Lantoto
- Lankein
- Lanioro
- Laniga
- Lang Swamps
- Khor Lango
- Lango
- Lang Nyok
- Langni
- Khor Lang Lwel
- Langkokai
- Langkei
- Langile
- Langia Mountains
- Langeiek
- Khor Langei
- Langdimoleh
- Langber
- Longba
- Langabu
- Lang
- Lang
- Landermin Rapids
- Jabel Landamundu
- Lamindo
- Lamchuk
- Jabal Lambor
- Lamarnyang
- Lamada
- Lam
- Lalyo
- Lalanga
- Lal
- Lal
- Lakwinya
- Lakki
- Lakitala
- Lakima
- Lakatang
- Lak
- Lajak
- Laiba
- Jabal Lagura
- Lagora
- Jabal Lafon
- Lafon
- Lafit Mountains
- Lado Koda
- Jabal Lado
- Lado
- Lachtanjak
- Lachkwat
- Lachiri
- Jabal Lacherabone
- Labwod
- Laboni
- Labalwa
- Labalwa
- Laordi
- River Kyom
- Kyom
- Kyango
- Kyango
- Kwumara
- Kwot
- Kworijik
- Kwong
- Khor Kwomkul
- Kwomio
- Kwombor
- Kwom
- Kwoldau
- Kwol
- Kwoit
- Kwoinlo
- Kwoicha
- Kwogo
- Kwoatbek
- Kwirthar
- Kwi Liani
- Kwili
- Kwil
- Kwi Kwi
- Kwevnyang
- Kwenek
- Kwendil
- Kwenagwetta
- Kuemdhol
- Kwel
- Kwek Makur
- Kwek
- Kweichar
- Kwei
- Kwe
- Kwa Tod
- Kwat
- Kwat
- Kwarijik
- Kwarchuk
- Kwaralak
- Kwarageri
- Kwanywalgwek
- Kwanulualthuan
- Kwanton
- Khor Kwaajor
- Kwamkunyu
- Kwal Tiu
- Jabal Kwakwi
- Kuacjok
- Kwain Gun Mut
- Kwainchekthuan
- Kwaich
- Kwich
- Kwagrat
- Kwach
- Kwa el Mango
- Kuyi
- Kuyango
- Khor Kweina
- Kuthai
- Kut
- Kussu
- River Kusi
- Kushari
- Kushadah
- Kusgila
- Kusdonga
- Jabal Kusagi
- Kurur
- River Kuru
- Kuru
- Kuru
- Jabal Kurtein
- Kursomba
- Dahal el Kurr
- Kurnyith
- Kurnyang
- Jabal Kurmu South
- Jabal Kurmu North