Knocking
Look up knocking in Wiktionary, the free dictionary.
Knocking or Knockin or Knockin' may refer to:
- Knocking (2006 film), a documentary about Jehovah's Witnesses
 - Knocking (2021 film), a Swedish thriller film
 - Engine knocking, or the sound accompanying automotive combustion malfunction
 - Port knocking, a covert method of opening a port on a server
 - Roof knocking, a bombing practice of the Israeli Defense Forces
 - Gene knockin, genetic engineering method
 - Knockin Castle, castle situated in the village of Knockin on Shropshire between Oswestry and Shrewsbury
 - Knocking, Austria, a hamlet, subdivision of Erlauf (municipality) in Austria
 - "Knockin'", a 1995 song by Spanish band Double Vision
 
See also
- Knock (disambiguation)
 - Knockin' on Heaven's Door (disambiguation)
 - The Knocking, a 2022 Finnish horror film