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
See also Hellstrom (disambiguation)