Haiying may represent:

  • Haiying spacesuit (海鹰号航天服) - a variant of the Orlan-M, see Orlan spacesuit
  • Zhang Haiying, an artist
  • Wei Haiying, a footballer
  • HY-2 Haiying (海鹰) missile ("Sea Eagle" missile), see C-201 Silkworm missile
  • China Haiying Electromechanical Technology Academy, manufacturer of the C-802 and C-701