| Obedience as an aspect of worship |
| Obedience to parents and their order to divorce |
| Objecting and avoiding embarrassment |
| Obligation and duty [fardh and wajib] |
| Obligations: Of a daughter |
| Obligations: Of a wife |
| Obligations: Towards parents |
| Oppression |
| Orphans: Bringing up and adoption |
| Orthodontic treatment |