A12
- A-12 Shrike
- A12 Authentication
- A12 road
- A12 scale
- ARM Cortex-A12
- ATC code A12
- Abrial A-12 Bagoas
- Aero A.12
- Aggregate (rocket family)
- Apple A12
- British NVC community A12 (Potamogeton pectinatus community)
- Elon Musk
- English Opening
- Fiat A.12
- LSWR A12 class
- Lockheed A-12
- Matilda II (tank)
- McDonnell Douglas A-12 Avenger II
- Rhodopsin-like receptors
- Route A12 (WMATA)
- Samsung Galaxy A12
- TrackMania
- Unite the Right rally