Primer

Primer may refer to:

• Primer (album), a 1995 music album by the musical group Rockapella
• Primer (cosmetics), a cream or lotion applied before another cosmetic to improve coverage and lengthen the amount of time the cosmetic lasts on the face
• Primer (film), a 2004 feature film written and directed by Shane Carruth
• Primer (firearm), such as the Berdan or Boxer primer; the percussion cap for centerfire ammunition
• Primer (gasoline engine), a device on some petrol engines used to prime the engine with gasoline before starting it
• Primer (molecular biology), a nucleic acid strand (or related molecule) that serves as a starting point for DNA replication
• Primer (paint), a coating applied to a surface to prepare it for paint or another coating or adhesive
• Primer (textbook), a textbook used in primary education to teach the alphabet and other basic subjects
• Primer (video), a home documentary about the funk band Living Colour
• The New England Primer (1688), a colonial American/Puritan primer with morality-themed rhymes
• Book of hours, a medieval illuminated manuscript
• Explosive primer, a small explosive device also known as a blasting cap
• Great primer, a font size of 18 points
• Primer-E Primer, software for statistical analysis of ecological data
• Primer 55, an American Alternative metal band
• "The Primer", a song from the 2005 album Alaska by Between the Buried and Me
• Trap primer, a plumbing device or valve that adds water to traps