MHJ or mhj can refer to:
- Moghol language, a critically endangered language spoken in Herat province, Afghanistan
- Michael Hill Jeweller, a jewelry company based in Australia, by stock ticker
- Marvin Harrison Jr., an American football player
- Min Hee-jin, a South Korean music producer and art director
- Mahajan, a train station in India; see List of railway stations in India
See also
edit- M. H. J. Schoenmaekers (1875 – 1944), a Dutch mathematician and philosopher