Shatter or shattering may refer to:

• The act of violently breaking into small pieces
• Alan Shatter, Irish politician
• Susan Louise Shatter (1943-2011), American landscape painter
• Shattering (machine learning), a concept in mathematics, especially Vapnik-Chervonenkis theory
• Shatter attack, in computing, a technique used against Microsoft Windows operating systems
• Shattering (agriculture), an undesirable trait in crop plants that makes harvesting difficult

"Shatter" is a song by the British rock band Feeder. "Shatter" was first released as B-side to "Tumble and Fall" and as a bonus to the Japanese edition of Pushing the Senses; it has since been included on the band's compilation album The Singles. Released in October 2005, the single was backed up with "Tender" from the fifth studio album Pushing the Senses, the combination reaching number 11 in the UK Singles Chart. "Shatter" appears in the end credits of the English language dub of the Russian film Night Watch .