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, 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 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