Organizations — O16 organizations on Ballee whose name starts with O
- Oklahoma City BalletCompany — Oklahoma City, US
- Oksana Zicnenko photographyService — Lyon, FR
- Opéra de NiceCompany — Nice, FR
- Opéra National de BordeauxCompany — Bordeaux, FR
- Opéra National de ParisCompany — Paris, FR
- Opéra National du RhinCompany — Strasbourg, FR
- Opera Națională Română IașiCompany — Iași, RO
- Orbe Certamen Nacional de DanzaCompetition — Cartagena, ES
- Oregon Ballet TheaterCompany — Portland, US
- Orlando BalletCompany — Orlando, US
- Orlando Ballet SchoolSchool — Orlando, US
- Osipova Ballet AcademySchool — Mountain View, US
- Oslo National Academy of the ArtsSchool — Oslo, NO
- Oulu Dance AcademySchool
- Riccione Estate DanzaCourse — Riccione, IT
- The Yvonne Chouteau School of Oklahoma City BalletSchool — Oklahoma City, US