Jonestown was the site of the 1978 mass suicide-and-murder of the Peoples Temple cult in northwestern Guyana.

Jonestown may also refer to:

• Jonestown, Mahaica, Guyana
• Jonestown, Indiana
• Jonestown, Baltimore, Maryland
• Jonestown, Howard County, Maryland
• Jonestown, Coahoma County, Mississippi
• Jonestown, Jackson County, Ohio
• Jonestown, Van Wert County, Ohio
• Jonestown, Columbia County, Pennsylvania
• Jonestown, Lebanon County, Pennsylvania
• Jonestown, Texas

• Jonestown (D-Sisive album) (2009)
• Jonestown (Sofia Talvik album) (2008) or its title track
• "Jonestown", a composition by Frank Zappa from Boulez Conducts Zappa: The Perfect Stranger
• 'Jonestown (Interlude)", a song by Post Malone from Beerbongs & Bentleys

• Jonestown: The Life and Death of Peoples Temple, a 2006 documentary film
• Jonestown: The Power and the Myth of Alan Jones, a 2006 biographical book
• Jonestown: Paradise Lost, a 2007 documentary film

• Johnstown (disambiguation)
• Youngstown
• Jones Town (disambiguation)
• The Brian Jonestown Massacre