Olom - Pala
- Olomouc (Czech Republic)
- Olongapo (Philippines)
- Olten (Switzerland)
- Olten Swiss Q Hotel (Olten)
- Olympia (Greece)
- Olympia (US) (United States)
- Olympia Hotel Brugge (Brugge)
- Olympia Hotel London (London)
- Olympic Hotel Changwon (Changwon)
- Olympic Hotel Delphi (Delphi)
- Olympic Hotel London (London)
- Olympic Hotel Rethymno (Crete Island)
- Olympic Hotel Wenzhou (Wenzhou)
- Olympic Palace Hotel Rhodes (Rhodes Island)
- Olympic Parktel Hotel Seoul (Seoul)
- Olympic Terrace Suites (Hong Kong)
- Olympic Terrace Suites - China Sourcing Fairs (Hong Kong)
- Olympik Hotel Prague (Prague)
- Olympik Tristar Hotel Prague (Prague)
- Olympo Praia Hotel Fortaleza (Fortaleza)
- Olympos Beach Hotel Rhodes (Rhodes Island)
- Olympus Palace Hotel Salou (Costa Dorada)
- Omaha (United States)
- Oman Sheraton Hotel Muscat (Muscat)
- Omarama (New Zealand)
- Omega Hotel Athens (Athens)
- Omirika Hotel Crikvencia (Crikvenica)
- Ommaroo Hotel Jersey (Jersey Channel Islands)
- Omni Austin Hotel Downtown (Austin)
- Omni Beach Resort Puerto Aventuras (Cancun)
- Omni Berkshire Place - New York (New York City)
- Omni Dallas Parkwest (Dallas/Fort Worth)
- Omni Hotel at CNN Center - Atlanta (Atlanta)
- Omni Hotel Cancun (Cancun)
- Omni Hotel Denver (Denver)
- Omni Hotel Los Angeles (Los Angeles)
- Omni Houston Hotel (Houston)
- Omni Houston Hotel Westside (Houston)
- Omni Independence Park (Philadelphia)
- Omni Royal Orleans Hotel New Orleans (New Orleans)
