MMP may refer to:
Computing and video games Massively multi-player, a type of online game Massively multiprocessing, large symmetric multiprocessing (SMP) computer systems Measure Map Pro format, a GIS format
Science and mathematics Matrix metalloproteinase enzymes Methuselah Mouse Prize, for research into slowing cellular ageing Millennium Mathematics Project, of the University of Cambridge Moscow Mathematical Papyrus, an ancient Egyptian mathematical papyrus Matrilysin, an enzyme Minimal model program, a branch of birational geometry Million progressive motile (million motile sperm cells per milliliter), a measure of male fertility used in semen analysis
Politics Mixed-member proportional representation, a voting system used in Germany, New Zealand and other countries Minuteman Project, 2005 action to deter illegal immigration National Struggle Party (), a nationalist political party in Turkey
Industry and labor International Organization of Masters, Mates & Pilots (MM&P), a maritime labor union Moldova Metallurgical Plant, see Moldova Steel Works Maintenance management professional, a Canadian job qualification Mitsubishi Motors Philippines, an automotive manufacturer
Sport Memphis Motorsports Park, a race track in Millington, Tennessee, United States Minute Maid Park, a ballpark in Houston, Texas, United States Miller Motorsports Park in Tooele County, Utah.
Fiction Mass market paperback, a bookbinding format Tokyo Mew Mew, also known as Mew Mew Power, a Japanese cartoon Miss Moneypenny, secretary to James Bond's boss Mighty Math Powers, a method that Team Umizoomi uses
Others Magellan Midstream Partners, a publicly traded partnership Marian Movement of Priests, a Catholic organization Multi-Man Publishing, a wargame company Metal Mind Productions, a Polish music label Monday Morning Podcast, a weekly comedy podcast by Bill Burr Marchwood Military Port, a Military Port in Marchwood, England Military Mounted Police, a former corps of the British Army Missile Moyenne Portée (MMP), a French anti-tank missile Mucous membrane pemphigoid Marilyn Monroe Productions