STIV

STIV may refer to:


 * Sulfolobus turreted icosahedral virus 1 (STIV1) formerly "sulfolobus turreted icosahedral virus" (STIV)
 * Star Trek IV: The Voyage Home, fourth film in the original film series
 * Untitled sequel to Star Trek Beyond, fourth film in the J.J.Abrams film series, see Star Trek Beyond
 * Société des Transports Intercommunaux de Verviers, a former Belgian transport company
 * Starship Troopers: Invasion, fourth film in the Starship Troopers film series