Cohort may refer to:

• Cohort (military unit)
• Cohort (computer science), a group of proximate data and/or operations
• Cohort (statistics), a group of subjects with a common defining characteristic — typically age group
• Cohort study, a form of longitudinal study used in medicine and social science
• Cohortocracy, a form of governance with representation by groups present in the governed population
• Cohort Studios, a video game development company
• Generational Cohort (demographics), an aggregation of individuals who experience the same event within the same time interval

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