"Perchance to Dream" is a phrase from the "To be, or not to be" soliloquy spoken by Shakespeare's Hamlet. The words have been used as a title for:

Literature 
 Perchance to Dream, a 1935 novel by Mary Lutyens
 Perchance to Dream (novel), a 1991 Philip Marlowe novel by Robert B. Parker
 Perchance to Dream, a 1991 Star Trek: The Next Generation novel by Howard Weinstein
 "Perchance to Dream", a 1996 essay by Jonathan Franzen, later retitled "Why Bother?"

Music 
 "Perchance to Dream", track 2 from the 1987 album Something of Time by Nightnoise
 "Perchance to Dream", a song from the 2000 album Loveboat by Erasure
 "Perchance to Dream", track 20 from the 2002 album Halo Original Soundtrack

Stage productions 
 Perchance to Dream (musical), a 1945 English musical by Ivor Novello

Television 
 "Perchance to Dream" (Twilight Zone episode), a first-season 1959 episode of the TV series
 "Purr-Chance to Dream", a 1967 Tom and Jerry short
 "Perchance to Dream" (Batman: The Animated Series), a first-season 1992 episode of the animated TV series
 "Perchance to Dean", a fourth season 2009  episode of The Venture Bros.

See also 
 "Perforce to Dream", a short story in the 1954 collection Jizzle by John Wyndham