• Cohort (biology), a taxonomic term in biology
• Cohort (educational group)
  Cohort (educational group)
  A cohort is a group of students who work through a curriculum together to achieve the same academic degree together. A cohort forms when the students begin the curriculum and typically does not admit new members afterward....
  
  , a group of students working together through the same academic curriculum
• Cohort (military unit)
  Cohort (military unit)
  A cohort was the basic tactical unit of a Roman legion following the reforms of Gaius Marius in 107 BC.-Legionary cohort:...
  
  , the basic tactical unit of a Roman legion
• Cohort (statistics)
  Cohort (statistics)
  In statistics and demography, a cohort is a group of subjects who have shared a particular time together during a particular time span . Cohorts may be tracked over extended periods in a cohort study. The cohort can be modified by censoring, i.e...
  
  , a group of subjects with a common defining characteristic — typically age group
• Cohort study
  Cohort study
  A cohort study or panel study is a form of longitudinal study used in medicine, social science, actuarial science, and ecology. It is an analysis of risk factors and follows a group of people who do not have the disease, and uses correlations to determine the absolute risk of subject contraction...
  
  , a form of longitudinal study used in medicine and social science
• Cohort Studios
  Cohort Studios
  Cohort Studios was a Scottish games development and interactive entertainment studio based in Dundee.Formed in 2006 by Lol Scragg, Darran Thomas and Bruce McNeish, Cohort’s first project involved being contracted by Sony Computer Entertainment Europe to assist on MotorStorm for PlayStation 3...
  
  , a video game development company
• Generational cohort (demographics), an aggregation of individuals who experience the same event within the same time interval

Cohortes

• Cohortes urbanae
  Cohortes urbanae
  The cohortes urbanae of ancient Rome were created by Augustus to counterbalance the enormous power of the Praetorian Guard in the city of Rome and serve as a police force...
  
  , the riot police of Ancient Rome, also pressed into use as a military unit
• Cohortes vigilum, the firefighters and police of Ancient Rome