Opus
- Claude (language model)
- Directory Opus
- For the First Time (Black Country, New Road album)
- Jane Badler
- Latin
- Magnum opus (disambiguation)
- Mr. Holland's Opus
- Mr. Sam
- OPUS (chromatography)
- OPUS (psychiatry)
- OPUS (software)
- Opera (disambiguation)
- Optima Bus Corporation
- Opus (Austrian band)
- Opus (Elis)
- Opus (Eric Prydz album)
- Opus (Eric Prydz song)
- Opus (Marc Anthony album)
- Opus (Opus album)
- Opus (Schiller album)
- Opus (University of Newcastle magazine)
- Opus (Yugoslav band)
- Opus (architecture)
- Opus (audio format)
- Opus (classical record magazine)
- Opus (comic strip)
- Opus (film)
- Opus (manga)
- Opus (microkernel)
- Opus (mythology)
- Opus (play)
- Opus College of Business
- Opus Dei (disambiguation)
- Opus Energy
- Opus Film
- Opus Group Berhad
- Opus Records
- Opus card
- Opus number
- Opus the Penguin
- Opus, Greece
- Opus-CBCS
- Pur (band)
- Work (disambiguation)
- Work of art