Loch is the surname of a Scottish Lowlands family whose members have included:
George Loch of Drylaw (1749-1788), Edinburgh land-ownerJames Loch (1780–1855), Scottish estate commissioner and later a Member of ParliamentJohn Loch (1781–1868), Chairman of the East India CompanyGeorge Loch (1811–1887), Member of ParliamentHenry Loch, 1st Baron Loch (1827–1900), Scottish soldier and colonial administratorEdward Loch, 2nd Baron Loch (1873–1942), senior British Army officerJoice NanKivell Loch (1887–1982), Australian author, journalist and humanitarianKenneth Loch (1890–1961), Lieutenant-General, a Scottish soldier and defence plannerTam Dalyell, born Thomas Dalyell Loch, a Scottish politician; Labour Member of Parliament from 1962 to 2005Loch is also a German surname:
Christoph Loch, Director (Dean) of Cambridge Judge Business School at the University of CambridgeFelix Loch (born 1989), German luger and Olympic championHans Loch (1898-1960), East German politicianHerbert Loch (1886–1976), German general during World War IIOther people with the surname Loch include:
Samuel Loch (born 1983), Australian rower