Cohesion may refer to:
- Cohesion (chemistry), the intermolecular attraction between like-molecules
- Cohesion (computer science), a measure of how well the lines of source code within a module work together
- Cohesion (geology), the part of shear strength that is independent of the normal effective stress in mass movements
- Cohesion (linguistics), the linguistic elements that make a discourse semantically coherent
- Cohesion (social policy), the bonds between members of a community or society and life
- Cohesion (album), the fourth studio album by Australian band Gyroscope