MS2
# MS2

MS2 or MS-2 may refer to:

## Science and technology

* Bacteriophage MS2
* Metre per second squared $(ms^{−2};$ m/s²), a unit of acceleration
* Lockheed Martin Maritime Systems & Sensors
* Tandem mass spectrometry (MS²)
* MegaSquirt2, a type of MegaSquirt electronic fuel injection controller
* ms2, an open source molecular simulation software

## Transport

* Mighty Servant 2, a heavy-lift ship
* Mississippi Highway 2
* Progress MS-02, a spacecraft
* Soyuz MS-02, a spacecraft
* Southern Railway (U.S.) Class Ms-2, a locomotive

## Video games

* MapleStory 2
* Mass Effect 2
* Metal Slug 2

## Other uses

* Mississippi's 2nd congressional district
* Project MS-2, a con perpetrated in 2002
