Salvage may refer to:

• Marine salvage, the process of rescuing a ship, its cargo and sometimes the crew from peril
• Water salvage, rescuing people from floods.
• Salvage tug, a type of tugboat used to rescue or salvage ships which are in distress or in danger of sinking
• Recycling, the conversion of waste materials into new materials and objects, was usually referred to in the mid-20th century as "salvage"
  • Salvage for Victory, a US Government campaign to salvage materials for the American war effort in World War II
  • Paper Salvage 1939–50, a British government campaign to encourage the recycling of paper, initially to aid the war effort
• Data salvage, the process of data recovery from damaged, failed, corrupted, or inaccessible primary storage media
• Salvage archaeology, an archaeological survey and excavation carried out in areas threatened by construction or development
• Salvage ethnography, the practice of salvaging a record of what was left of a culture before it disappeared
• Salvage therapy, medical treatment for those patients not responding adequately to first line treatment