Let There Be Light may refer to:

Look up let there be light in Wiktionary, the free dictionary.

• "Let there be light", a phrase from English translations of a line of the Bible
• Genesis 1:3, the line from the Bible saying "let there be light"
• Let There Be Light, novel by Paruyr Sevak 1969
• Let There Be Light (Howard Smith book), a book by Howard Alan Smith
• "Let There Be Light" (Heinlein short story), a 1940 short story by Robert A. Heinlein
• "Let There Be Light" (Clarke short story), a 1957 short story by Arthur C. Clarke

• Let There Be Light (1917 film), a German silent drama film
• Let There Be Light (1946 film), directed by John Huston
• Let There Be Light (1998 film), directed by Arthur Joffé
• Let There Be Light (2007 film), a 2007 Israeli documentary film
• Let There Be Light (2017 film), religious drama film directed by and starring Kevin Sorbo
• Let There Be Light (2019 film), a Slovak-language film, directed by Marko Škop
• "Let There Be Light" (SATC episode), an episode of Sex and the City
• "Let There Be Light" (Hercules: The Legendary Journeys), a Season 5 episode of the TV series
• "Let There Be Light", an episode of Rugrats
• "Let There Be Light", an episode of the 2004 British documentary series Light Fantastic

• "Let There Be Light", Symphony for organ No. 2 by Frederik Magle
• Let There Be Light (album), a 2016 album by Hillsong Worship
• "Let There Be Light" (album), a 2021 album by Sun Atoms

• "Let There Be Light", a stained glass installation by Abraham Rattner at Loop Synagogue in Chicago

• "Let There Be More Light", a 1968 song by Pink Floyd

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