Loop

Loop or LOOP may refer to:

Brands and enterprises

Loop (mobile), a Bulgarian virtual network operator and co-founder of Loop Live
Loop, a company founded by Carlos Vasquez in the 1990s; their clothing worn by Digable Planets
Loop Mobile, an Indian mobile phone operator
Loop Internet, an internet service provider in Pennsylvania, United States

Loop, Germany, a municipality in Schleswig-Holstein
Loop (Texarkana), a roadway loop around Texarkana, Arkansas, United States
Loop, Blair County, Pennsylvania, United States, an unincorporated community
Loop, Indiana County, Pennsylvania, United States, an unincorporated community
Loop, Texas, United States, a census-designated place
Loop, West Virginia, United States, an unincorporated community
Loop 101, a semi-beltway of the Phoenix Metropolitan Area
Loop 202, a semi-beltway of the Phoenix Metropolitan Area
Loop 303, a semi-beltway of the Phoenix Metropolitan Area
Chicago Loop, the downtown neighborhood of Chicago bounded by the elevated railway The Loop
- Loop Retail Historic District, a shopping district in the Chicago Loop
Delmar Loop, an entertainment district in St. Louis, Missouri
London Outer Orbital Path (LOOP), a signed walk around the edge of Outer London, England
Louisiana Offshore Oil Port (LOOP), a deep-water port in the Gulf of Mexico off the coast of Louisiana

Loop (1991 film), a British romantic comedy
Loop (1998 film), a Venezuelan film
Loop (2020 film), an American animated short
Film loop, the slack portion of the film around the projector lens in a movie projector
Porn loop, an 8 or 16 mm film "short" of a pornographic nature

Loop (album), a 2002 album by Keller Williams
Loop (EP), a 2024 extended play by Yves
Loop (music), a finite element of sound which is repeated by technical means
"Loop" (Maaya Sakamoto song), 2005
"Loop" (Sarah Bonnici song), the entry for Malta in the Eurovision Song Contest 2024
Loop, a 2020 mini-album by Peakboy

Loop (statement), a method of control flow in computer science
LOOP (programming language), the pedagogical primitive recursive programming language with bounded loops
Loop (telecommunication) or loopback, sending a signal on a channel and receiving it back at the sending terminal
Audio induction loop, an aid for the hard of hearing
Local loop, the physical link in telephony that links the customer premises to the telephone company
Loop device, a Unix device node that allows a file to be mounted as if it were a device
LOOPS, the object system for Interlisp-D
Microsoft Loop, collaborative software
Loops (social network), a project from Pixelfed to bring Tiktok-like social media to the Fediverse
Control loop, a fundamental component of control systems

Loop (algebra), a quasigroup with an identity element
Loop (graph theory), an edge that begins and ends on the same vertex
Loop (topology), a path that starts and ends at the same point, possibly reduced to a single point

Aerobatic loop, a type of aerobatic maneuver
Ground loop (aviation), a rapid horizontal (yawing) rotation of a fixed-wing aircraft used in emergencies to bleed off energy while landing
Loop, a type of canoe freestyle maneuver
Loop (cricket), an aspect of bowling in cricket
Loop jump, a figure skating jump
Loop, a type of offensive shot in table tennis

Loop (Amtrak train), a discontinued Amtrak train
The Loop (CTA), a rapid transit section bounding Chicago's Loop neighborhood
Loop, underground public transportation system of The Boring Company using Tesla cars
Balloon loop, a section of rail track that allows reversal of direction without stopping
Circle route, a public transport route that travels around and connects the peripheral zones of an area
Loop line (railway), a branch line that deviates from a direct route and rejoins it at another location
Loop route, a main route or highway that forms a closed loop
Passing loop, a short section of track that allows trains to pass on a single track route
Ring road or loop, a main route or highway that encircles a town or city
Spiral (railway), a section of track that allows a train to climb a steep hill

Compulsion loop, a habitual chain of activities that will be repeated by the user to cause them to continue the activity
Loop (biochemistry), a flexible region in a protein's secondary structure
Looping (education), the process of advancing an elementary school teacher with his or her class
Loop (knot), one of the fundamental structures used to tie knots
Loop, the end of some dead-end streets
Loop, a type of fingerprint pattern