Hampshire Search and Rescue (HANTSAR) is a voluntary organisation providing round the clock cover to assist the police and other agencies in searching for vulnerable missing persons.

HANTSAR is one of many county based Lowland Search and Rescue units which exist countrywide. Like other units in the country they are affiliated to Lowland Rescue (Association of Lowland Search and Rescue) which forms part of the UK Search and Rescue Operators Group alongside Mountain Rescue and other organisations.