What does COI stand for?

Certificate of insurance

COI means certificate of insurance, which is the legal document that describes the coverage an insurance company provides for a member. It contains types and limits of coverage, policy number, insurance company, named insured, and the effective periods of the policy.


Can you verify that they have a COI and the specifications of their policy?
A sample COI
A sample COI

Related Slang


Updated March 7, 2017

COI definition by

This page explains what the acronym "COI" means. The definition, example, and related terms listed above have been written and compiled by the team.

We are constantly updating our database with new slang terms, acronyms, and abbreviations. If you would like to suggest a term or an update to an existing one, please let us know!