Primer can refer to:

• Primer (film), a 2004 feature film written and directed by Shane Carruth
• Primer (gasoline engine), a device on some gasoline 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 formerly used in primary education (often pronounced "primmer" in General American) to teach the alphabet and other basic concepts
• New England Primer (1688), a colonial American/Puritan primer with morality-themed rhymes
• An old English word for a Book of Hours
• Explosive primer
• Great primer, a typefeace about 18 points, or long primer, about 10 points
• Percussion cap, in ballistics, a small charge that explodes when struck with force or heated with electricity, typically to ignite a larger charge of propellant
• Primer-E Primer, software for statistical analysis of ecological data
• Primer 55, an American Alternative metal band

Primer can also be used to describe a pre-event broadcast, show, blog, paper. "UFC primer" or Hockey game "primer". To get people prepared for a event.

See also

• Premier (disambiguation)