QMS

QMS may refer to:
 * Quadrupole mass spectrometer, a scientific instrument
 * Quality management system
 * Quality Meat Scotland
 * Quality Micro Systems, a company founded in 1979 and merged with Minolta's printer division in 2000
 * Minolta-QMS, a printer company merged into Konica Minolta in 2003
 * Quantitative Micro Software, a company who developed the EViews software
 * Quartermaster Sergeant, a type of appointment in the British Army and Royal Marines
 * Queue management system
 * Quick Media Switching in HDMI
 * Quicksilver Messenger Service, an American psychedelic rock band of the 1960s
 * Quota Management System, a method of regulating catch in a fishery
 * Qatar Motor Show, a trade show
 * Qatar Motor Show, a trade show

Schools

 * Qualters Middle School, a grade 6-8 middle school located in Mansfield, Massachusetts
 * Queensborough Middle School, a school in Queensborough, New Westminster, British Columbia, Canada
 * Queen Margaret's School, a private boarding school/Day School, located in Duncan, British Columbia, Canada
 * Quest Middle School, another name for IDEA Quest located in Edinburg, Texas
 * Quinte Mohawk School, a primary school in Tyendinaga, Ontario