First Light

First Light may refer to:

Science and technology

First light (astronomy), the first observation with a newly commissioned telescope
First light (cosmology), the light emitted from the first generation of stars, known as population III stars
Nautical dawn, the time before sunrise when the sky begins to brighten
First Light Fusion, a company developing a nuclear fusion reactor

First Light (Ganguly novel), by Sunil Gangopadhyay
First Light (Preston book), a 1987 nonfiction book on astronomy by Richard Preston
First Light (Stead novel), a 2007 science fiction novel for children by Rebecca Stead
First Light (Wellum book), a 2002 memoir by Geoffrey Wellum
First Light, a 1987 novel by Charles Baxter
First Light, a 1989 novel by Peter Ackroyd

"First Light" (song), by Lana Del Rey for the video game 007 First Light, 2026
"First Light", by Harold Budd and Brian Eno from Ambient 2: The Plateaux of Mirror, 1980
"First Light", by Shadow Gallery from Legacy, 2001
"First Light", by Converge from You Fail Me, 2004
"First Light", by Moonspell from Night Eternal, 2008
"First Light", by Paradise Lost from Faith Divides Us – Death Unites Us, 2009
"First Light", by Starset from Transmissions, 2014
"First Light", by Hozier from Unreal Unearth, 2023

"First Light" (Cloak & Dagger), a television episode
First Light (2015 film), a 2015 Italian film directed by Vincenzo Marra
At First Light (film), a 2018 Canadian film, titled First Light in some countries
First Light (2025 film), a 2025 Filipino-Australian film directed by James J. Robinson
First Light (radio program), an American syndicated talk program hosted by Michael Toscano
007 First Light, a 2026 James Bond video game
Infamous First Light, a 2014 expansion to the video game Infamous Second Son
First Light Festival, an annual free midsummer festival in Lowestoft, Suffolk, England