A newsletter is a regularly distributed publication generally about one main topic that is of interest to its subscribers. Newspapers and leaflets are types of newsletters.^[1]

Many newsletters are published by clubs, churches, societies, associations, and businesses, especially companies, to provide information of interest to their members or employees. Some newsletters are created as money-making ventures and sold directly to subscribers.

General attributes of newsletters include news and upcoming events of the related organization, as well as contact information for general inquiries.