Enrollment (American spelling) or enrolment (British spelling) may refer to:
- Matriculation, the process of initiating attendance to a school
- The total number of students properly registered and/or attending classes at a school (see List of largest universities by enrollment)
- Concurrent enrolment, the process in which high school students enrol at a university or college usually to attain college credit
- The participation of human subjects in a clinical trial
- Biometrics, the process of adding a user's credentials to the authentication system.
- The process of being entered onto an electoral roll
- Membership in a federally recognized American Indian tribe
- The defensive curling of a trilobite over its soft ventral organs.
Enrollment may also refer to:
- Whenever a bill passes both houses of a USA state Legislature, it is ordered enrolled.