Georgy Mengden (1837–1902) – Count, Lieutenant General of the Russian Imperial Army. >>

Alexander Menshikov (1673-1729) – a military and state leader, governor-general of Riga. >>

Gavrila Menshikov (1879-1945) – from 1924 to 1933, a member of the Liepaja District Court, from 1933 a member of the Latgale District Court (from 1934 – the Daugavpils District Court), chartered lawyer >>

Yuri Merkuryev (1954) – Professor, Habilitated Doctor of Engineering, specialist in the field of imitation modeling of complex systems. Full member of the Latvian Academy of Sciences with a degree in computer science (2014). >>

Boris Merkulov (1900-1964) – a teacher, political and public  activist, journalist. >>

Vladimir Merkulov (1944) – Doctor of Engineering, docent of Riga Technical University. >>

Nikolai Merkuliev (1851-1925) – Riga merchant, first chairman of the Riga Theater Society, major Russian public figure, member of the Riga City Council, honorary citizen. >>

Anatoly Merkeryev (1932-2009)  – director of Riga Shipmechanic plant, from 1988 to 1990 – the first deputy of General director of Latvian administration of fish industry. >>

Yuri Muratov (1935) – Docent of the Riga Polytechnic institute, Candidate of Technical Sciences. >>

Catherine Mickiewicz (nee Jacobi; 1903-1976) – a daughter of a well-known lawyer, public figure and publicist Pyotr Jacobi. >>