Regions of Papua New Guinea
- Sungena Creek
- Sunfanus
- Sundum
- Sunde
- Sunday Island
- Sunday Hill
- Sundamat Bay
- Sunda
- Sunahu 2
- Sunahu 1
- Sumuna Plantation
- Sumuna
- Sumumini
- Sumulok
- Sumul
- Sumu
- Sum Sum River
- Sum Sum Plantation
- Sum Sum Bay
- Sumsum
- Sumogi Island
- Sumo
- Summiul Island
- Sumi Mission School
- Sumia
- Mount Sumi
- Mount Sumi
- Sumi
- Sumerang
- Sumburu
- Sumboa Point
- Sumbi
- Sumbera
- Sumbasu River
- Sumatra Shoal
- Sumasuma Atoll
- Sumasaru
- Sumariup
- Sumani Peak
- Sumami
- Sumalani Island
- Sumalani
- Sumakarimo
- Sumaikom
- Suma
- Sulwa Creek
- Sulu Range
- Sulunku
- Sulububi
- Sulu
- Sul River
- Sulphur Point
- Sulphur Creek
- Port Sulphur
- Suloga Point
- Suloga Peak
- Suloga Harbour
- Mount Sulen
- Sulebo
- Sule
- Mount Sulang
- Sukurum
- Suki Lagoon
- Suki Creek
- Suki
- Sukel Creek
- Sukara River
- Suk
- Suit
- Su Island
- Suir River
- Sui River
- Suiri Creek
- Suir Cove
- Suimbo
- Mount Suilou
- Suiaibu
- Sui
- Sui
- Suhin
- Sugwa
- Sugurubu
- Sugu River
- Sugun Creek
- Sugumoru
- Sugu
- Sugoitei
- Sugiabi
- Sugawianga
- Sugarloaf Mountain
- The Sugar Loaf
- Sugarloaf
- Suganga
- Sugan
- Suf Island
- Suewitne
- Cape Sueusat
- Suen
- Cape Sudest
- Mount Suckling
- Cape Suckling
- Subura
- Subum Creek
- Subitana Plantation
- Subanambogu
- Suau
- Suasi
- Suaru Bay
- Mount Suaru
- Suaru
- Suaru
- Suarmin
- Suapmeri
- Suanumbo
- Suang
- Suanam
- Suamuglmangge
- Suambukum 2
- Suambukum 1
- Suam
- Suain Number 2
- Suain Number 1
- Suai Creek
- Suagu
- Sua Creek
- Suabidigi
- Suabi
- Sua
- Sua
- Sturt Island
- Stuart Bank
- Mount Strong
- Strip Point
- Strike
- Strickland River
- Strickland Gorge
- Strickland Base Camp
- Cape Strauch
- Straggling Islands
- Strachan Island
- Mount Stower
- Mount Stony
- Point Stone
- Stolzenfels Spur
- Stolzenfels
- Mount Stolle
- Stolka Creek
- Stokes Range
- Stockholm River
- Stockholm Plantation
- Stewart Reefs
- Stevensons Bluff
- Stettin Bay
- Stephan Strait
- Stella Island
- Stein Reef
- Stein Reef
- Steffen Strait
- Steep Point
- Station Point
- Starkey Shoal
- Starkey Patches
- Stapigum
- Staniforth Range
- Stanava Point
- Square Deal Hill
- Spu
- Sproggs Ridge
- Spring Point
- Spreader Divide
- Spindletop Camp
- Spica
- Sperber Point
- Spear Island
- Sowi River
- Soweng
- Sowe Island
- Sowat River
- Sowanda Hamlets
- Sowam Villages
- Sowam River
- Sovarani Point
- South West River
- South West Point
- South West Pass
- South West Bay
- South Reef
- South Point
- South Point
- South Patch
- South Gochonsipi Islet
- Southern Highlands Province
- South Entrance
- South East Point
- South East Pass
- South East Entrance
- South Channel
- South Cape
- South Branch Mogigi River
- South Branch Kulu River