MJR may refer to:
Manjusri Secondary School, a secondary school in Ubi, Singapore Melbourne Jewish Radio Mėnuo Juodaragis, Baltic culture festival MJR Digital Cinemas, a movie theater chain in Michigan, United States M. J. Radhakrishnan (died 2019), Indian cinematographer Miramar Airport, Argentina (IATA code: MJR)
See also Major (rank) (military rank), abbreviated as Mjr.