M2M

M2M may refer to:

Entertainment

 * Mission to Mars (attraction) at Walt Disney World's Magic Kingdom, Florida USA
 * Mission to Mars (2000), a science fiction film inspired by the attraction
 * M2M (band), Norwegian pop duo

Technology

 * M2M (Eclipse), an implementation of the Object Management Group's QVT standard for model transformation
 * Machine to machine, direct communication between devices
 * Many-to-many (data model), as an entity-relationship model
 * Mobile-to-mobile convergence
 * Mobile-to-mobile, a classification of phone call on some mobile phone plans

Other uses

 * Man-to-man defense, a defensive tactic used in a variety of sports
 * mothers2mothers, an international nonprofit organization dedicated to preventing mother-to-child transmission of HIV