Mark Osipovich Reizen, also Reisen or Reyzen (, – November 25, 1992), PAU, was a leading Soviet opera basso singer.
- Occupation
- opera singer, music educator, university teacher, singer
- Citizenship
- Russian Empire, Soviet Union
- Born
- June 21, 1895, July 3, 1895
- Died
- November 25, 1992