A chain letter is a letter requesting that the recipient distribute copies of it to others.
Chain letter may also refer to: Chain Letter (film), a 2010 horror film Chain Letter (album), a 2005 album by American R&B singer Brooke Valentine Chain Letter (American game show), the 1966 U.S. game show Chain Letters, a UK game show Chain Letters (album), an album by Supastition
See also Chain mail (disambiguation)