LGH may refer to:

• Lahore General Hospital, hospital in Lahore, Pakistan
• Lakeshore General Hospital, Canadian acute care institution in Quebec
• Landesgymnasium für Hochbegabte, public boarding school in Schwäbisch Gmünd, Germany
• Leibgarde der Hartschier, life guard troop of the Kingdom of Bavaria
• Legend of the Galactic Heroes, an anime series
• Leicester General Hospital, hospital in Leicester, England
• Letterkenny General Hospital, hospital in the Republic of Ireland
• Lowell General Hospital, hospital in Massachusetts
• Leigh Creek Airport in South Australia (IATA code)
• Lgh, the postal abbreviation for "apartment" in Sweden.

• Brett Tolman
• Brett Tomko
• Brett Tucker
• Brettus
• Brett Voss
• Brett Vroman
• Brett Weaver
• Brett Weston
• Brett Wetterich
• Brett Wheeler
• Brett White
• Brett Wickens
• Brett Williams (offensive lineman)
• Brett Winslow
• Brett Young
• Bret Wood
• Bretylium
• Bretylium compounds
• Bretylium tosilate
• Bretylium tosylate
• Bretylol
• Bretz
• Bretzenheim
• Bretzfeld
• Bretz, Tucker County, West Virginia