According to the Oxford English Dictionary, an intelligencer is "One who conveys intelligence or information", "One employed to obtain secret information, an informer, a spy, a secret agent", or "A bringer of news; a messenger; an informant; a newsmonger". The term may refer to:
- Newspapers
- Daily Intelligencer (1849–1871) Atlanta, Georgia, USA
- Edwardsville Intelligencer (1862–present) Edwardsville, Illinois, USA
- Intelligencer Journal (1794–present) Lancaster, Pennsylvania, USA
- National Intelligencer (1800–1867) Washington, D.C., USA
- Seattle Post-Intelligencer (1863–present) Seattle, Washington, USA
- The Intelligencer, early name of The Advocate (Stamford) (1829–present) Stamford, Connecticut, USA
- The Intelligencer & Wheeling News Register (1859–present) Wheeling, West Virginia, USA
- The Pennsylvania Intelligencer, early name of The Patriot-News (1820–present) Harrisburg, Pennsylvania, USA
- The Intelligencer (Doylestown, Pennsylvania) (1804–present) Doylestown, Pennsylvania, USA
- Belleville Intelligencer, Belleville, Ontario, Canada
- Magazines
- The English Intelligencer (1966–1968) poetry newsletter, UK
- The Mathematical Intelligencer (1979–present) New York, USA
- Other
- Informant
- Transatlantic Intelligencer
- Intelligencer, Inc., the name of a Private Investigation firm located in the metro Los Angeles, California area, registered as a trademark with the US Patent and Trademark Office.