SJM is an abbreviation of:
- Swadeshi Jagaran Manch
- Svalbard and Jan Mayen
- Servi Jesu et Mariae
- Samyukta Janamorcha Nepal
- St. Jude Medical
- San Joaquin Memorial High School
- Serbian Justice Ministry - Ministarstvo Pravde Republike Srbije
- Super Junior-M
in business:
- The NYSE symbol for The J.M. Smucker Co.
- SJM Concerts, a large UK concert and live event promotion company
It is also ISO 3166-1 code for Svalbard and Jan Mayen