Premenstrual syndrome (PMS) is a collection of physical, psychological and emotional symptoms related to a woman's menstrual cycle.

PMS may also refer to:

Computers Process management system, a system for business process management Philip's Music Scribe, music scorewriter software Pop'n Music Script, a computer file format for rhythm action games Project management software Property management system, software for hotel management Pavement management#Pavement management systems, software for maintaining a road network Personalization management system, software for managing the personalization of online user experiences

Nationality and politics Partido Mexicano Socialista, a socialist political party in Mexico Presidential Management Staff (Philippines), a government agency Prime Ministers, see List of current prime ministers Prime Minister's Spokesman, UK civil service post

Science and medicine PMS1, a human protein involved in nucleotide mismatch repair Medical practice management software, dealing with the management of a medical practice Pectoralis minor syndrome Postmarketing surveillance, monitoring of a pharmaceutical drug or device Pre-main-sequence star, a star that has not yet reached the main sequence Phelan-McDermid Syndrome, a rare genetic condition that causes developmental and speech delays, behavioral problems and a weakened ability to feel pain or sweat

Other uses PMS Clan, an all-female gaming clan Pantone Matching System, a proprietary color space Piedmontese language (ISO 639-3 language code), a language used in northwest Italy. Pleasanton Unified School District#Pleasanton Middle School, California, USA Pontifical Mission Societies, a group of Catholic missionary societies Portsmouth & Southsea railway station (National Rail station code), Hampshire, England Pretty Mean Sisters, a 1990s stable in the World Wrestling Federation Preventive maintenance schedule, a schedule for preventive maintenance Pacific Mail Steamship Company