Entertainment
*Boundaries (2016 film), ''Boundaries'' (2016 film), a 2016 Canadian film *Boundaries (2018 film), ''Boundaries'' (2018 film), a 2018 American-Canadian road trip film *Boundary (cricket), the edge of the playing field, or a scoring shot where the ball is hit to or beyond that point *Boundary (sports), the sidelines of a fieldMathematics and physics
*Boundary (topology), the closure minus the interior of a subset of a topological space; an edge in the topology of manifolds, as in the case of a 'manifold with boundary' *Boundary (graph theory), the vertices of edges between a subgraph and the rest of a graph *Boundary (chain complex), its abstractization in chain complexes *Boundary value problem, a differential equation together with a set of additional restraints called the boundary conditions *Boundary (thermodynamic), Boundary (thermodynamics), the edge of a thermodynamic system across which heat, mass, or work can flowPsychology and sociology
*Personal boundaries, a life skill for protecting against having personal values compromised or violated *Boundaries of the mind, the degree of separateness between fantasy and reality *Professional boundaries, relationship between any professional and their client *Symbolic boundaries, a theory of how people form social groups proposed by cultural sociologists *Boundary-work, sociology of divisions between fields of knowledgePlaces
*Boundary, Derbyshire, a civil parish and hamlet in South Derbyshire, England *Boundary, Leicestershire, a village in Leicestershire, England *Boundary, Staffordshire, a village in Staffordshire, England *Boundary Ranges, also known as the Boundary Range, a mountain range in British Columbia, Canada and Alaska, United States *Boundary County, ID, the northernmost county in Idaho *Boundary Country, a region of southern British Columbia, Canada **Kootenay Boundary Regional District, a regional district in British Columbia **West Kootenay-Boundary, a provincial electoral district in British Columbia **Okanagan-Boundary, a former provincial electoral district in British Columbia **Boundary-Similkameen, a former provincial electoral district in British Columbia *Boundary Falls, British Columbia, also known as Boundary, a former railway town in the Boundary Country of British Columbia *Boundary Waters, a region on the boundary between Ontario and Minnesota *Stikine, British Columbia, called Boundary from 1930 to 1964, a former customs post on the Stikine River at the Alaska–British Columbia border *Boundary City, Indiana, a community in the United StatesOther uses
*, a number of ships with this name *Boundaries in landscape history, the divide between areas of differing land used *Boundary (real estate), the legal boundary between units of real property *Boundary (company), an American application performance management company *Boundary critique, a concept about the meaning and validity of propositions *Communication privacy management theory, Boundary turbulence, a break in expectation of how private information is held within a group of knowledge owners *Boundary Ale, a beer made by Moosehead Breweries *Geological boundary, a boundary between different geological units *Boundary, software for secure remote access to systems based on trusted identity developed by HashiCorpSee also
* Boundary representation * Bound (disambiguation) * The Boundary (disambiguation) {{disambiguation, geo.png.html){kind=link}