A daydream is a fantasy that a person has while awake.

Daydream(s) or Day Dream(s) may also refer to:

• Daydreams (1915 film), a Russian silent film directed by Yevgeni Bauer
• Day Dreams (1919 film), an American lost silent film directed by Clarence Badger
• Day Dreams (1922 film), an American film starring Buster Keaton
• Daydream (1964 film) a Japanese pink film directed by Tetsuji Takechi
• Daydream (1981 film) a Japanese pink film directed by Tetsuji Takechi

• Daydream (Aimer album), 2016
• Daydream (Karrin Allyson album), 1997
• Daydream (Katherine Jenkins album), 2011
• Daydream (The Lovin' Spoonful album) or the title song (see below), 1966
• Daydream (Mariah Carey album), 1995
• Daydream – Moorland, by Tangerine Dream, a soundtrack from the TV series Tatort, 1983
• Daydream (D-Crunch EP), 2021
• Daydream (Day6 EP), 2016
• Day Dreams (Doris Day album), 1955
• Day Dreams (June Christy album), 2012

• "Day Dream", a jazz standard composed by Duke Ellington and Billy Strayhorn with lyrics by John Latouche, 1941
• "Daydream" (The Lovin' Spoonful song), 1966
• "Daydream" (Wallace Collection song), 1969; covered by the Gunter Kallmann Choir (1970) and others
• "Daydream", by B'z from Highway X, 2022
• "Daydream", by Dreamcatcher from The End of Nightmare, 2019
• "Daydream", by Iz*One from Bloom*Iz, 2020
• "Daydream", by J-Hope from Hope World, 2018
• "Daydream", by John Denver from Rhymes & Reasons, 1969
• "Daydream", by Journey from Evolution, 1979
• "Daydream", by Judy and Mary, 1994
• "Day Dream", by Lisa Dal Bello from Lisa Dal Bello, 1977
• "Daydream", by Markus Schulz and Andy Moor, 2008
• "Daydream", by Mike Oldfield from Tres Lunas, 2002
• "Daydream", by Miranda Cosgrove from Sparks Fly, 2010
• "Day Dream", by NCT 127 from Neo Zone, 2020
• "Daydream", by Robin Trower from Twice Removed from Yesterday, 1973
• "Daydream", by the Smashing Pumpkins from Gish, 1991
• "Daydream", by Sweet from Funny How Sweet Co-Co Can Be, 1971
• "Daydream", by Tycho from Dive, 2011
• "Daydream", by Vinnie Moore from Mind's Eye, 1986

• The Day-Dream, an 1842 poem by Alfred, Lord Tennyson
• The Day Dream (painting), an 1880 painting by Dante Gabriel Rossetti
• "Day Dream" (2 Stupid Dogs), a 1994 television episode
• Ghost Talker's Daydream or simply Daydream, a shōnen manga by Saki Okuse and Sankichi Meguro
• Google Daydream, a discontinued virtual reality platform
• Daydreams, a screensaver system introduced in Android 4.2

• Daydreamer (disambiguation)
• Daydreaming (disambiguation)