Headless may refer to:
Science and technology
Medicine
Acephalic acardia, a type of twin reversed arterial perfusion in which one twin is born without a head Acrania, missing cranial bones Anencephaly, absence of a major part of the brain and skull Decapitation, the severing of the whole head from the body
Computing In computing and software, headless can either refer to software or servers without a graphical interface, or software platforms that decouple front- and back-end components. Headless computer, a server with no monitor, keyboard, or mouse attached Headless software, software capable of working on a device without a graphical user interface Headless browser, a web browser without a graphical user interface Headless CMS, a backend-only content management system that employs APIs to display content
Linguistics
Headless phrase, a term in linguistics for a phrase with no head
Geology
Headless Formation, a geologic formation in Northwest Territories
Arts and entertainment
Headless (TV series) a British television series starring Patrick Robinson and Ginny Holder Headless, a foe in Ultima Headless, NPCs in The Matrix Online Headless (2015 film), a horror film by Arthur Cullipher Headless (2024 film), a Nigerian film Headless (band), an Italian hard rock band Mike the Headless Chicken (non-fiction), a Wyandotte chicken that lived for 18 months after his head had been cut off "Headless", a song by Joe Satriani from his album Flying in a Blue Dream "Headless", a song by Hella from the album Tripper Stree 2: Sarkate Ka Aatank (), a 2024 Indian film Literature and myths Headless line, a form of catalexis omitting an initial syllable Headless men, a mythical headless humanoid creature Headless Horseman (disambiguation) Headless Horseman