Lagg

Lagg may refer to:
 * Lagg, Arran, North Ayrshire, Scotland
 * Lagg distillery, see Arran distillery
 * Lagg, Jura, Argyll and Bute, Scotland
 * Lagg (landform)
 * Lavochkin-Gorbunov-Gudkov LaGG-1, a Soviet fighter aircraft of World War II
 * Lavochkin-Gorbunov-Gudkov LaGG-3, a Soviet fighter aircraft of World War II