Subdivision may refer to:
Arts and entertainment
- Subdivision (metre), in music
- Subdivision (film), 2009
- "Subdivision", an episode of Prison Break (season 2)
- Subdivisions (EP), by Sinch, 2005
- "Subdivisions" (song), by Rush, 1982
Science, technology and mathematics
- Subdivision (rank), a taxonomic rank
- Subdivision (botany), or subphylum, a taxonomic rank
- Subdivision (graph theory), adding new vertices to some edges of a graph, whereby replacing the edges by paths
- Subdivision (simplicial complex)
- Subdivision (simplicial set)
- Subdivision surface, in computer graphics
Other uses
- Subdivision, an administrative division, a portion of a country
- Subdivision (India), an administrative division in India
- Subdivision (land), the act of dividing land into smaller pieces