Regions of Papua New Guinea
- Lossuk Bay
- Losuk
- Los Reyes Islands
- Los Negros Island
- Losiu Island
- Losave
- Mount Lororona
- Lorengau River
- Lorengau Bay
- Lorengau
- Loraine Island
- Lopun
- Lopulupun Point
- Lookout Hill
- Mount Lonumail
- Lonui Passage
- Lonofoguwei
- Lonk
- Loniu
- Lonidairi
- Longuerue Islands
- Longmon
- Long Island
- Longar
- Longap Aid Post
- Longap
- Longan Island
- Longan Entrance
- Long
- Loneim
- Londru
- Londolovit River
- Londolovit Plantation
- Londolovit
- Londol
- Londo
- Londiri Creek
- Londip Plantation
- Lonboasa
- Lonahan
- Lona
- Lomsis
- Lomosum Point
- Lomeletepena
- Lombrum Point
- Lombrum Plantation
- Lombrum Bay
- Lombrum
- Lomalam
- Loluapu
- Lolu
- Lolorua Plantation
- Lolorua Island
- Lake Loloru
- Lolo Plantation
- Mount Lolopata
- Lolongon Creek
- Lolonakuka Island
- Lolonakorakom Island
- Lolonadaula Island
- Loloipa River
- Lolobau Plantation
- Lolobau Island
- Mount Lolobau
- Loloba
- Loloata Island
- Loloa Creek
- Lolo
- Lollo Reefs
- Mount Lollo
- Loliang
- Lolehere Creek
- Lolehairu
- Lolau Island
- Lol
- Lokulaulau
- Lokon Plantation
- Lokono
- Lokon
- Lokolow Point
- Lokanu Bay
- Lokanu
- Loisa
- Loi River
- Loi River
- Loi
- Lohiki River
- Lohiki
- Lohan
- Logui River
- Logui
- Logolu Motu Motu
- Logaiyu River
- Logaivu Mountain
- Logagon River
- Logagon Plantation
- Logagon Bay
- Lugagon
- Lodi River
- Lodi Lagoon
- Lobu River
- Lobudon
- Lobua Creek
- Lobortutu Point
- Loawa
- Loan Bay
- Loamat
- Loal Point
- Livu Track
- Livuan Plantation
- Livuan
- Livuan
- Livitua
- Livinco
- Liuliu Aid Post
- Liuliu
- Little Wau Creek
- Little Vudal River
- Little Upoia
- The Little Stone
- Little Ndrova Island
- Little Mount Worri
- Little Mount Lawes
- Little Mount Gulu
- Little Malumalu Island
- Little Embi
- Little Domori Island
- Litipinaga
- Litibu
- Lisseno Number 2 Island
- Lisseno Number 1 Island
- Lisel
- Lipoam
- Lipek Island
- Lip Creek
- Lipan River
- Lipan Pass
- Lipan Creek
- Liot Island
- Liorofa Number 2
- Liorofa Number 1
- Lioni
- Linmel
- Linigot Plantation
- Linia Creek
- Lingi
- Linga Linga Plantation
- Linden Harbour
- Lindenhafen Plantation
- Limpi Range
- Limonak Island
- Limlimtimin
- Limellon Island
- Limbui Creek
- Limbubu
- Limbin
- Limbin
- Limbiek
- Limbiali
- Mount Limba
- Limal
- Lilua Islet
- Liloka
- Liloi
- Lilo Creek
- Mount Lilo
- Lillum Saun
- Lillum Kapuing
- Mount Lilley
- Liljeblad Passage
- Lilipan River
- Lilioa
- Lilinakaia Point
- Lilinakaia Island
- Lilim Island
- Lililigin
- Lilili Creek
- Lilau
- Lilal
- Lilak
- Mount Likuruanga
- Likum
- Liksal
- Liklik Mission
- Likiliki Bay
- Likas Bay
- Likas
- Li’iba
- Lihon Number 3
- Lihon Number 2
- Lihon Number 1
- Lihona
- Lihir Island
- Lihir Group
- Lihen 2
- Lihen 1
- Liguan Bay
- Cape Liguan
- Liguan
- Lif Island