VEM

Vem or VEM may refer to:
 * Vem, a Brazilian ticketing system
 * Vem (album), a 1999 album by Grönwalls
 * VEM Aktienbank, a German bank
 * Variable entrant map, a variant of Karnaugh maps in logic optimization
 * VEM (Venus Emissivity Mapper), a multispectral imaging instrument aboard the NASA mission VERITAS and the ESA mission EnVision (as VenSpec-M).