The Key of Solomon is a 14th- or 15th-century pseudoepigraphical grimoire attributed to King Solomon.

Key of Solomon may also refer to:

The Lesser Key of Solomon, a 17th-century anonymous grimoire Solomon's Key, a 1986 video game by Tecmo Solomon's Key 2, a 1992 video game by Tecmo The Solomon Key, the working title of the 2009 novel The Lost Symbol by Dan Brown "The Lesser Key of Solomon" (Sleepy Hollow), a 2013 television episode

See also Clavicula Salomonis (disambiguation)