UIM or Uim may refer to:
Science and technology edit
- uim, a multilingual input method framework
- UIM (card), used in mobile phones
Organizations edit
Politics edit
- Ulster Independence Movement, the British political party
- United Independent Movement, the South African political party
Sports edit
- Union Internationale Motonautique, the governing body for motorboat racing
- Union Internacional Manila F.C., a Filipino professional football club based in Manila
Military edit
- Unit Interventie Mariniers, a Dutch special forces unit
- Union de Industrias Militares, the Cuban military–industrial complex