- Ourti Oumghar
- Ourtiy
- Oussamgane
- Outna
- Ouzala
- Ouzighimt
- Ouzoughane
- Ouzzoun
- Osar en Nkheïla
- Ouaoulouz
- Ouaroughrout
- Ouayrtout
- Ouintla
- Ouizmaïne
- Oulad Jama
- Oulad Mrah
- Oum el Alek
- Oum el Gourdane
- Ouragnat
- Ouzane
- Ouaouklid
- Ouayd Eddararine
- Ouchchad
- Ouchchane
- Ouchchane
- Ouchchene
- Ouchehane
- Ouchene
- Ouchriyhn
- Ouggars