145
145 may refer to:
- 145 (number), a natural number
- AD 145, a year in the 2nd century AD
- 145 BC, a year in the 2nd century BC
- 145 (dinghy), a two-person intermediate sailing dinghy
- 145 (South) Brigade
- 145 (New Jersey bus)
- 145 Adeona, a main-belt asteroid