Deletion or delete may refer to:

• File deletion, a way of removing a file from a computer's file system
• Code cleanup, a way of removing unnecessary variables, data structures, cookies, and temporary files in a programming language
• Delete key, a key on modern computer keyboards that erases text
• Delete character, DEL, the delete control code in ASCII and C0 and C1 control codes
• delete (C++) operator, a built-in operator in the C++ programming language

• Deletion (music industry), a term for removing a record from a label's catalog
• Delete (miniseries), a 2013 TV miniseries
• Deleted (film), a 2022 Singaporean-Malaysian film

• "Delete" (Dara Bubamara song), 2012
• "Delete" (DMA's song), 2014
• "Delete" (Story Untold song), 2017
• "Delete" (Sid song), 2020
• "Deletion", a song by Hans Zimmer from Dark Phoenix (soundtrack), 2019
• "Delete", a song by Capsule from Caps Lock, 2013
• "Delete", a song by Killing Joke from Pylon, 2015
• "Delete", a song by Shinedown from Planet Zero, 2022
• "Delete", a song by Younha from Gobaek Ha Gi Joheun Nal, 2007
• "Deleted", a song by Tech N9ne and MacKenzie Nicole from The Storm, 2016

• Deletion (genetics), deletion of a gene or chromosome segment, symbolized in the literature by a Δ symbol
• Elision, the deletion of a sound or sounds
• Ellipsis (linguistics), grammatical deletion of a word
• Deletion of articles on Wikipedia

• All pages with titles beginning with Deletion
• All pages with titles containing Deletion
• Erasure (disambiguation)
• Erase (disambiguation)