Lug or LUG may refer to:

Places

Bosnia and Herzegovina

* Lug (Bugojno), a village * Lug (Derventa), a suburb in Bosanska Posavina * Lug, Jablanica, a village * Lug (Kiseljak), a village * Lug, Prozor, a village * Lug, Tomislavgrad, a village

Croatia

* Lug, Bilje, a settlement in Croatian Baranja * Lug, Karlovac County, a village * Lug, Lika-Senj County

Ireland

* Lug, a townland in Durrow, County Offaly (civil parish), Durrow, County Offaly, barony of Ballycowan * Lugnaquilla, a mountain often abbreviated as Lug

Serbia

* Lug (Bajina Bašta), a village * Lug (Beočin), a village

Other countries

* Lug, Germany, a municipality in Südwestpfalz district, Rhineland-Palatinate * Ług, Łódź Voivodeship, a village in Poland

Handles or connectors

* Lug (electrical connector), a bolt on an enclosure tied to an electric potential within the enclosure, supporting the connection of a cable * Lug (hinge), a protuberance of a hinge, featuring a hole for the axis of the hinge * Lug (knob), handles are a kind of flattened knob attached to the side of pottery * Locking lug, a protrusion on a firearm's bolt (firearms), bolt head that help securing it into the receiver or barrel * Lug, part of a drum used in conjunction with tension rods and counter hoops to tension the drum head in relation to the shell * Lug, the protrusion from the case of a wristwatch to which the strap or bracelet attaches, usually by means of spring bars that bridge pairs of lugs at the upper and lower sides of a watch's case * Bayonet lug, a metal mount for a long gun that either locks a bayonet onto the weapon or provides a base for the bayonet to rest against * Lug nut, a fastener, specifically a nut, used to secure a wheel on a vehicle

Brands and enterprises

* Last Unicorn Games (or LUG), games publisher later absorbed by Wizards of the Coast * Level Up! Games (or LUG), the leading portal and brand name for locally published online games in the Philippines * Lug, a brand of luggage

Organizations

* LEGO Users Group (or LUG), a group of people who meet to discuss and participate in the LEGO hobby * Linux User Group (or LUG), private organization providing support for Linux users

Transportation

* Lug (bicycle part), steel tubing and sockets of a bicycle * Lug or grouser, the portion of the tread design in a tire that contacts the road surface * Lug sail, a four sided sail bent to a yard * Lugano Airport, IATA Airport Code LUG, a regional airport located west of the Swiss city of Lugano * Lugging, damage -prone mode of operation in internal combustion engines

Other uses

* Lug (unit), a unit of measure for linear distance equal to a rod or of a statute mile * Lug or Lugh, an ancient god in Irish mythology * Law of Universal Gravitation (or LUG), Isaac Newton's equations for gravity * Lesbian until graduation (or LUG), slang term {{disambiguation, geo