Look up tritium in Wiktionary, the free dictionary.
Tritium is a radioactive isotope of hydrogen.
Tritium may also refer to:
- Tritium Calcio 1908, an Italian association football club
- Tritium (programming language), a scripting language for transforming markup files
- Tritium (village), a Roman village in present-day Spain
- Tritium (manufacturer), an Australian electric vehicle charger manufacturer (2012-2024)