Idle generally refers to idleness, a lack of motion or energy.

Idle or idling, may also refer to:

• Idle (engine), engine running without load
  • Idle speed
• Idle (CPU), CPU non-utilisation or low-priority mode
  • Synchronous Idle (SYN), the idle command to synchronize terminals
  • System Idle Process
• Idle (programming language), a dialect of Lua
• IDLE, an integrated development environment for the Python programming language
• IMAP IDLE, an IMAP feature where an email server actively notifies a client application when new mail has arrived

• Idle (GNR) railway station, in Idle, West Yorkshire
• Idle (L&BR) railway station, in Idle, West Yorkshire
• Idle, West Yorkshire, UK; a suburb of Bradford, England
  • Idle railway station
• Idle and Thackley, a ward in Bradford Metropolitan District in the county of West Yorkshire, England, UK
  • Idle railway station (Leeds and Bradford Railway)
• River Idle, a river flowing through Nottinghamshire, England

• Mrs. Idle (born 1940), a stagename for Australian actress Lyn Ashley
• Christopher Idle (politician) (1771–1819), British politician
• Christopher Idle (hymnwriter) (born 1938), British hymnodist
• Eric Idle (born 1943), a comedian, sketch writer, and actor, member of Monty Python
• Graham Idle (born 1950), British rugby footballer

• Idle, a 2000 demo album by the band Daylight Dies

• IDLE, a group of characters in the 2024 Nintendo Switch game Mario & Luigi: Brothership
• Idle game, another name for an incremental game

• Indolent lesions of epithelial origin (IDLE), a classification of cancers

• All pages with titles beginning with idle
• All pages with titles containing idle
• Adle
• Christopher Idle (disambiguation)
• Ideal (disambiguation)
• Idel (disambiguation)
• Idle Hour (disambiguation)
• Idler (disambiguation)
• Idles (disambiguation)
• Idol (disambiguation)
• Idyl (disambiguation)