Organisations
Name_SORTNameEvent DatesEvents Resources
Olaus Olsens Theaterselskab1883 – 190477 
Onafhankelijk Toneel1998 – 200927 
Oslo Nye Teater (Centralteatret)1966 – 2009202
Oda og Martinius Nielsen-turnéen189515 
Ottilia Littmarcks sällskap1880 – 189910 
OFF Escuela de Teatro y Cine200844
The Old Tote Theatre Company1967 – 19764 
The Oxford Players19243 
Orleneff’s Russian Dramatic Company19063 
Oasis Theatre Company1991 – 19943 
Oslo Internasjonale Teaterfestival19893 
Orchestra del Teatro Massimo Bellini20242 
Oslo Fringe festival2023 – 20242 
Oslo Moderne Teater20022 
Omada Theatrou X-ACT ART (X-ACT ART Theater Group)20241 
Os Comediantes de Lisboa19471 
Ole Morten Øwre Storhaug20121 
Oslo Katedralskoles festsal20031 
Orion Pictures20251 
Orchestra dell'Accademia Nazionale di Santa Cecilia19791 
Orchestra del Maggio Musicale Fiorentino (Maggio Orchestra)20241 
Over the Moon Productions20101 
The Other Eye of The Tiger20231 
Otterbein University Theatre20111 
Otto Jacobsen Tourneen19171 
Oslo Barne & Ungdomsteater 20061 
Oregon State University Theatre20051 
Opera Telemark19971 
Orchestra del Teatro Carlo Felice20061 
Oxford Union Dramatic Society19221 
OBAMA-festivalen20091 
Orchestra Sinfonica di Torino della RAI19711 
Orchestra del Teatro Lirico di Cagliari20241