- LOGIS
- Logische Gruppe und logische Kette
- LOI
- Long-term liabilities
- Loop Mail
- Loslassen
- Loss
- Low hanging fruits
- Lowperformer
- LTPD
- Luhn-Formel
- Lurker
- Luser
- M&A
- M+V
- M-Commerce
- M2M
- MA
- Macarena-Seite
- Maccaroni Defense
- Machbarkeitsstudie
- MAD
- Mail-Bombing
- Mailer Daemon
- Mailing
- Main focus
- Make-or-Buy
- Malware
- Management
- Management Buy In
- Management Buy Out
- Management by Delegation
- Management by Directives
- Management by helicopter
- Management by Objectives
- Management progress control talk
- Management skills
- Management Summary
- Managementprozess
- Managementsystem
- Manufacturer-to-Manufacturer
- Mapping
- Markengrabbing
- Market Based View
- Market-Value-Added
- Marketing-Mix
- Materialfluss
- Matrixorganisation
- Mausbeutung
- MBI
- MBO
- MBWA
- MCA
- Me-too-Produkt
- Meatspace
- MEBO
- MECE
- Mediation
- Medium-term liabilities
- Meeting
