Back Hafnia (flertydig) Danish Hafnia (Begriffsklärung) German Hafnia (homonymie) French Hafnia Dutch 哈夫尼菌属 Chinese
Hafnia may refer to:
- Copenhagen (of which it is the Latin name)
- Hafnia (bacterium)
- Hafnium(IV) oxide
- Hafnia Limited, a product tanker company under BW Group