Helstrom

Helstrom may refer to:


 * Helstrom (TV series), an American television series, part of the Marvel Cinematic Universe
 * Helstrom metric (or Bures metric), in quantum mechanics and mathematics, defining an infinitesimal distance between density matrix operators
 * Echo Helstrom (band), a Portland, Oregon-based rock band

People with the surname

 * Carl W. Helstrom (1925–2013), American electrical engineer and quantum information theory pioneer