The term subgraph can refer to:
*The security-focused Linux-based Subgraph operating system, see
Subgraph (operating system)
Subgraph OS was a Debian-based project designed to be resistant to surveillance and interference by sophisticated adversaries over the Internet. It has been mentioned by Edward Snowden as showing future potential.
Subgraph OS was designed to be l ...
*Subgraph of a function, see
Hypograph (mathematics)
In mathematics, the hypograph or subgraph of a function f:\R^\rightarrow \R is the set of points lying on or below its graph.
A related definition is that of such a function's epigraph, which is the set of points on or above the function's gra ...
*In
graph theory
In mathematics and computer science, graph theory is the study of ''graph (discrete mathematics), graphs'', which are mathematical structures used to model pairwise relations between objects. A graph in this context is made up of ''Vertex (graph ...
, see
Glossary of graph theory#subgraph
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