" Mars, the Bringer of War ", a movement in Holst's The Planets
Mick Mars , lead guitarist for Mötley Crüe
Xueyang "Mars" Ma, member of Mandopop boy band Top Combine
Military
Mars (ship) , a Swedish warship sunk in 1564
HMS Mars (1794)|HMS Mars (1794) , 74-gun third-rate ship of the line of the Royal Navy
Military Afloat Reach and Sustainability, a programme to buy new tanker ships for the Royal Fleet Auxiliary
ITL MARS , a reflex sight made by International Technologies Lasers
JRM Mars , flying boat
Mars Automatic Pistol , a semi-automatic pistol developed in 1900
Military Auxiliary Radio System , an auxiliary communications system of amateur radio operators for the United States armed forces
Operation Mars , codename of the Second Rzhev-Sychevka Offensive, a Soviet offensive during World War II
USS Mars (AFS-1)|USS Mars (AFS-1) , a supply ship in the United States Pacific Fleet
Organizations
Mauritius Amateur Radio Society
Mongolian Amateur Radio Society
Mumbai Amateur Radio Society
Military Armament Research Syndicate , a fictional organization in the G.I. Joe universe
Places
In France
Mars, slang for Marseille , as popularised by the French hip hop group IAM
Mars, Ardčche , France
Mars, Gard , France
Mars, Loire , France
Mars-la-Tour , Meurthe-et-Moselle, France
Mars-sous-Bourcq , Ardennes, France
Mars-sur-Allier , Ničvre, France
In the United States
Mars, California, former name of Outingdale, California
Mars, Pennsylvania , U.S.
Mars, Texas, U.S.
Mars (Metra) a station on Metra's Milwaukee District/West in Chicago, Illinois
In other countries
Stade 26 mars , a stadium in Mali
Technology
Cisco Security Monitoring, Analysis, and Response System (MARS)
Mars, the code name of Adobe Systems' PDF#Mars|PDF in XML
MARS, or Liver dialysis#Molecular Adsorbents Recirculation System (MARS)|Molecular Adsorbents Recirculation System for liver dialysis
Mars, a West Cornwall Railway#Locomotives|West Cornwall Railway locomotive
MARS (software) , Data analysis software for automatic DNA/RNA concentration determination
MARS (cryptography) , a block cipher that was IBM's submission to the Advanced Encryption Standard process.
Mars (oil platform) , the largest oil drilling platform in the Gulf of Mexico
MARS (ticket reservation system) , a train seat reservation system used in Japan
Mars computer , a family of PDP-10-compatible digital computers built by Systems Concepts
MaRS Discovery District , a scientific research centre in Toronto
MARS Group , a British architectural think tank founded in 1933
Mars probe program , a series of unmanned craft launched by the Soviet Union in the early 1970s
Mid-Atlantic Regional Spaceport (MARS), a space launch site colocated with NASA Wallops Space Flight Facility on Wallops Island, south of Chincoteague, VA.
Multiple Active Results Sets, a technique used within Microsoft's Microsoft SQL Server|SQL Server database management system to enable database connections to be used for multiple purposes
Multivariate adaptive regression splines , a regression analysis technique
Project Mars, Sega's Sega 32X|32X add-on video game console
Memory Array Redcode Simulator, the environment for the competitive programming game Core Wars
Surname
Alastair Mars (1915& ndash;1985), British World War II submarine commander and author
Bruno Mars (born 1985), American singer-songwriter
Chris Mars , musician and painter
Ed Mars (1866& ndash;1941), American baseball player