X5
- 5X (disambiguation)
- Afrique Airlines
- Atomic Betty
- BMW X5
- Beijing X5
- Bell X-5
- Cowin X5
- Dark Angel (American TV series)
- Domy X5
- Forthing Jingyi X5
- General Imaging
- Hanteng X5
- Illumina, Inc.
- Landwind X5
- List of Korg products
- Mega Man X5
- Nokia X5
- Oshan X5
- Pentax X-5
- Rely X5
- SJ X5
- Sony Xperia
- Stagecoach X5
- X5 (New York City bus)
- X5 Bristol–Weston-super-Mare
- X5 Music Group
- X5 Retail
- Xitami