Notion
- Ion window manager
- Johnnie Notions
- Mizen Head
- Notion (EP)
- Notion (Kings of Leon song)
- Notion (Tash Sultana song)
- Notion (The Rare Occasions song)
- Notion (ancient city)
- Notion (magazine)
- Notion (music software)
- Notion (philosophy)
- Notion (productivity software)
- Notions (Winchester College)
- Notions (sewing)