| Bands Artists Recordings | shown from 1448 to 1477 (total 2265) |
    |
Name  | active from | active to | |
| Orchestr Studio Brno | 1965 | ||
| Orchestr Svatopluka Cecha | 1972 | 1981 | |
| Orchestr Vaclava Hybse | 1969 | ||
| Orchestr Vaclava Zahradnika | 1967 | 1972 | |
| Orchestr Vladimira Rasky | |||
| Orchestr Zdenka Bartaka | 1947 | ||
| Orchestr Zdenka Marata | |||
| Orchestrion | 1972 | 1977 | |
| Orient | 1964 | ||
| Originalni prazsky synkopicky orchestr | 1974 |  | |
| Orlik | 1987 | 1991 | |
| ORM | |||
| Ornis | 1977 | 1981 | |
| Oscar band | 1985 | ||
| Oskar Petr Band & Vzpominka na Marsyas | 2018 | | |
| Ospaly pohyb | 1988 | 1991 | |
| Ostrak Mode | 2015 | | |
| Ostravicka | |||
| Ostravsky rozhlasovy orchestr | 1961 | ||
| Oswald Schneider | 1983 | ||
| Osklid | 1987 | 1992 | |
| Otcovy deti | 1988 | 1993 | |
| OTK | 1993 | ||
| Ozvena | |||
| OZW | 1980 | 1999 | |
| Pacifik | 1971 | ||
| Pacora Trio | 2004 | ||
| Pal-post Unit | 2021 | ||
| Palecek a Janik | 1967 | ||
| Palecek, Miroslav |