| Bands Artists Recordings | shown from 1421 to 1450 (total 2270) |
    |
Name  | active from | active to | |
| OPN | 1974 | 1994 |  |
| Orange Pekoe | |||
| Oravec, Vlado | |||
| Orchester Brana Hronca | 1964 | 1982 | |
| Orchester Gustava Offermanna | |||
| Orchester Juraja Velcovskeho | 1963 | 1995 | |
| Orchester Milosa Oberuca | |||
| Orchester Vlada Hronca | |||
| ORCHESTR | 1999 | ||
| Orchestr Bohuslava Ondracka | 1971 | 1972 | |
| Orchestr Cs. televize | 1973 | 1990 | |
| Orchestr Dalibora Brazdy | 1968 | ||
| Orchestr divadla Apollo | 1965 | 1967 | |
| Orchestr divadla Na provazku | |||
| Orchestr divadla Semafor | 1958 | ||
| Orchestr Eduarda Parmy | |||
| Orchestr Eduarda Parmy ml. | 1976 | 1980 | |
| Orchestr Ferdinanda Havlika | 1959 | ||
| Orchestr Frantiska Barty | |||
| Orchestr Golden Kids | 1968 | 1970 | |
| Orchestr Gros | 1971 | ||
| Orchestr Gustava Broma | 1940 | | |
| Orchestr hudebniho divadla v Karline | |||
| Orchestr Ivo Pavlika | 1972 | 1980 | |
| Orchestr Karla Krautgartnera | 1967 | 1968 | |
| Orchestr Karla Vagnera | 1973 | ||
| Orchestr Karla Vlacha | 1939 | ||
| Orchestr Ladislava Staidla | 1965 | 1989 | |
| Orchestr Osvobozeneho divadla | 1927 | 1938 | |
| Orchestr Pragokoncertu |