125

125 may refer to:

• 125 (number), a natural number
• AD 125, a year in the 2nd century AD
• 125 BC, a year in the 2nd century BC
• 125 (dinghy), a two person intermediate sailing dinghy
• 125 (New Jersey bus), a New Jersey Transit bus route
• 125 Liberatrix, a main-belt asteroid
• Fiat 125, a large family car
• Škoda 125, a compact sedan
• InterCity 125, a railway train

• 12/5 (disambiguation)
• Unbipentium, a hypothetical chemical element with atomic number 125