Adel
- Adel (name)
- Adel (official)
- Adel Mountains Volcanic Field
- Adel Sultanate
- Adel Township, Dallas County, Iowa
- Adel, Georgia
- Adel, Indiana
- Adel, Iowa
- Adel, Leeds
- Adel, Oklahoma
- Adel, Oregon
- Adel, Republic of Bashkortostan
- Adelaide
- Adelaide (disambiguation)
- Adele (disambiguation)
- Adil
- Adilabad
- Adilabad district
- Aedile
- Aetheling
- Al-Adel
- Aristocracy of Norway
- Characters of Final Fantasy VIII
- Danish nobility
- Dutch nobility
- Finnish nobility
- German nobility
- List of shipwrecks in 1963
- Nobility in Iceland
- Pentarthrini
- Swedish nobility