Connected component may refer to:

• Connected component (graph theory), a set of vertices in a graph that are linked to each other by paths
• Connected component (topology), a maximal subset of a topological space that cannot be covered by the union of two disjoint non-empty open sets

• Connected-component labeling, an algorithm for finding contiguous subsets of pixels in a digital image

This disambiguation page lists mathematics articles associated with the same title.
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