SMAD

SMAD may refer to:
 * Sowjetische Militäradministration in Deutschland
 * SMAD (protein) – proteins involved in cell signaling
 * R-SMAD – receptor regulated SMAD proteins
 * I-SMAD – inhibitory SMAD proteins
 * SMAD – a house DJ based in New England.
 * SMAD - solvated metal atom dispersion, a method to synthezise very small metal nanoparticles

SMAD