Similar to 日本革命的共産主義者同盟（第四インターナショナル日本支部）

MDPI

MDR Leipzig Radio Symphony Orchestra

Mendeley

METCO

MGM Grand Las Vegas

Microsoft Bob

Microsoft Office

Microsoft OneNote

Microsoft Outlook

Microsoft Visio

Visual Studio

Microsoft Windows

Windows NT

MikroTik

F. A. Mitchell-Hedges

MIT Computer Science and Artificial Intelligence Laboratory

MIT Media Lab

Mo-Do

Montreal, arts interculturels

Moving Picture Experts Group

Common Movement for Development

Rally for the Republic

New Party Sakigake

Fatherland – All Russia

New Conservative Party (Japan)