Termon is a village in the north of County Donegal, Ireland.
Termon or Tarmon may also refer to:
- Termonn, land belonging to a monastery in Gaelic Ireland
- Termon River, County Donegal
- Termonfeckin, County Louth
- Termon, County Cavan, see List of townlands in County Cavan
- Termon, County Clare, see List of townlands in County Clare
- Termon, County Galway, see List of townlands in County Galway
- Termon, County Mayo, see List of townlands in County Mayo
- Termon, County Roscommon, see List of townlands in County Roscommon
- Tarmonbarry, County Roscommon
- Tarmon, County Clare, see List of townlands in County Clare
- Tarmon, County Leitrim, see List of townlands in County Leitrim