Blaj (disambiguation)
Blaj stands for:
- Blaj , a Romanian town in Alba County
 - Blaj (Olt) , a village in the Olt district
 
Blaj is a family name for the following people:
- Marian Blaj (* 1978), Romanian biathlete
 
Blaj stands for:
Blaj is a family name for the following people: