OMS

OMS may refer to:

• Office Master System - An Enterprise Resource Planning vendor; Office Master System, Inc.
• Old Millfieldians - alumni of Millfield School; also used as in the OM Society.
• List of Old Marlburians - alumni of Marlborough College
• O'Banion Middle School — Garland, TX
• Odle Middle School — Bellevue, WA
• Orefield Middle School — Orefield, PA
• Odorless Mineral Spirits
• Office of Muqtada al-Sadr
• One Mission Society - a Christian missionary society
• Oracle Management Server an executable component of Oracle database servers
• Manuel de Oms y de Santa Pau - apparatchik in the War of Spanish Succession, Viceroy of Peru
• Ontario Motor Speedway
• Open Media Commons
• Open Metering System a standardization effort in the field of smart meter
• Open Music System, once widely-used MIDI interface software
• Opsoclonus myoclonus syndrome
• Optical Multiplex Section, the optical section layer that multiplexes wavelengths within the Optical Transport Network
• Oral and maxillofacial surgery
• Orbital Maneuvering System - rocket engines used on the Space Shuttle orbiters
• Order Management System
• Osteopathic Medical Student, a student Doctor of Osteopathic Medicine. -I, -II, -III -IV indicate the year in school.
• Outage management system
• Organization for the maintenance of supplies
• Omsætningsafgift, a Danish tax.
• One Minute Silence, a metal band
• IATA code for Omsk Tsentralny Airport
• Oms, Pyrénées-Orientales, a commune in southwestern France
• Online Marketing Specialist
• Online Marketing Summit a trade show, conference and workshop for marketing and internet professionals
• Open Mobile System, the system used by OPhone