Octavia
- 598 Octavia
- Claudia Octavia
- Guardians of Ga'Hoole
- HMS Octavia
- Helluva Boss
- List of The 100 characters
- Octahvia
- Octavia (She-Ra)
- Octavia (band)
- Octavia (effects pedal)
- Octavia (film)
- Octavia (gens)
- Octavia (given name)
- Octavia (novel)
- Octavia (opera)
- Octavia (plant genus)
- Octavia (play)
- Octavia Boulevard
- Octavia E. Butler
- Octavia Hall Smillie
- Octavia Spencer
- Octavia Sperati
- Octavia of the Julii
- Octavia the Elder
- Octavia the Younger
- Octavia, Nebraska
- Octavia, Oklahoma
- Odd Squad
- Oktawia Kawęcka
- Panacea Society
- Skunkworks (album)
- The 100 (novel series)
- Škoda Octavia