- M -
- Machupo virus
- maedi virus
- malignant catarrhal fever virus
- Maloney leukemia virus
- mammary cancer virus of mice
- mammary tumor virus (MTV)
- mammary tumor virus of mice
- Marburg virus
- Marek disease virus
- Marituba virus
- marmoset virus
- masked virus
- Mason-Pfizer virus
- Mayaro virus
- measles virus
- medi virus
- Menangle virus
- Mengo virus
- milker's nodule virus
- mink enteritis virus
- MM virus
- Mokola virus
- molluscum contagiosum virus
- molluscum sebaceum virus
- Moloney leukemogenic virus (MLV)
- Moloney sarcoma virus (MSV)
- Moloney virus
- monkey B virus
- monkeypox virus
- mouse encephalomyelitis virus
- mouse hepatitis virus
- mouse leukemia virus (MLV)
- mouse leukemia viruses
- mouse mammary tumor virus
- mouse mammary tumor virus (MMTV)
- mouse parotid tumor virus
- mouse poliomyelitis virus
- mouse thymic virus
- mousepox virus
- mucosal disease virus
- mumps virus
- murine sarcoma virus
- murine sarcoma virus (MSV)
- Murray Valley encephalitis virus
- Murutucu virus
- MVE virus
- myxomatosis virus
|