AXI
- Advanced eXtensible Interface
- Automated X-ray inspection
- Ax1 (disambiguation)
- Axi Stachowitsch
- Axi language
- Axi-Shield
- Axi-cel
- Axitinib
- Axl (disambiguation)
- Biocon
- Capsicum axi
- DMC DeLorean
- Growth hormone 1
- List of Greek and Latin roots in English/A–G
- List of airline codes (A)
- List of provincial expressways of China
- List of township-level divisions of Sichuan
- Mdm2
- Qaka
- Robert Axi
- Trilobodrilus