Regions of Marshall Islands
- Enalik
- Yurochi
- Yugui
- Yo
- Yeldo
- Yarabaru
- Yabbenohr
- Wotya
- Wotje Lagoon
- Wotje Atoll
- Wotje
- Woja
- Wotho Atoll
- Wotho
- Worrbar
- Drebubbu
- Wonmej
- Woller
- Wojejairok Pass
- Wojejairok
- Wojejaiong
- Wodena
- Wide Pass
- West Spit
- West Point
- West Pass
- West Opening
- Majuro West Landing
- Wau
- Warwir
- Arbar
- Waatwerik
- Wetwerok
- Uwe
- Utrik Passage
- Utrik Atoll
- Utrik
- Urbett
- Uorikku
- Unitaa
- Ulika
- Majuro Uliga
- Ukoon
- Ujelang Lagoon
- Ujelang Atoll
- Ujelang
- Ujae Atoll
- Ujae
- Ulien
- Uditj
- The Twins
- Tuwaaken
- Kaeroga
- Toton
- Torrutj
- Toleej
- Tokenraito
- Tokaen
- Toka
- Todrik Pass
- Jang
- Tinak
- Tarrowatt
- Taroa Anchorage
- Taroa
- Tar
- Bokak Atoll
- Tamwol
- Talto
- Tokewa Channel
- Tokewa
- Taka Passage
- Taka Lagoon
- Taka Atoll
- Taka
- Taka
- Taklep Passage
- Taklep
- Tabik Channel
- Tabik
- Tabal
- Stony Point
- Southwest Pass
- Jaluit South Point
- South Pass
- South Pass
- South Pass
- South Pass
- South Opening
- South Opening
- Southeast Point
- Southeast Point
- Southeast Pass
- South Main Channel
- South Ambo Channel
- Sifo
- Sibylla
- Shishmarev Strait
- Seroko
- Scheiben Reef
- Rurick Strait
- Runit
- Rukoji Pass
- Rukoji
- Rue
- Lukwoj
- Rube Point
- Rua
- Rua
- Rongrik Lagoon
- Rongrik Atoll
- Rongrik
- Rongrik
- Rongelap Lagoon
- Rongelap Atoll
- Rongelap
- Ronglap
- Romurikku
- Roi-Namur
- Roi
- Rongrong
- Rochikarai
- Roa
- Ribon
- Ribon
- Ribewon
- Port Rhin
- Reuter Island
- Den
- Reiher Pass
- Ratak Chain
- Rarime
- Rapurapu Passage
- Ralik Chain
- Langor
- Rairik
- Pokoreppu
- US ABM test launch pad
- Pokon
- Bokak Pass
- Bokak
- Pinglep
- Piji
- Pigowak
- Pigessharukku
- Ourukaen
- Wodmej
- O Reef
- Oreba
- Ewo
- Oniotto
- Onimak
- Onemak West Passage
- Onemak East Passage
- Onemak
- Omelek
- Ombelim Channel
- Ombelim
- Wolot
- Obella
- Northwest Reef
- Northwest Passage
- Small North Pass
- Nami North Lagoon
- North Island
- Northeast Point
- Northeast small Passage
- Northeast Pass
- Northeast Pass
- Ninni
- Ningi
- Nibun
- Ngain
- Nennar
- Nell Passage
- Nelle
- Nell
- Nawoj
- Naucharin Passage
- Bekan
- Narrow Pass
- Narmej
- Narappu
- Nara
- Nariktal
- Nanij
- Namo
- Nami
- Namur
- Unitaa Passage
- Namu Atoll
- Namu
- Namdrik Atoll
- Namdrik
- Namoraru
- Nalab
- Likiep
- Najbwol
- Naen
- Narikrik