Urchin or urcheon is the Middle English term for "hedgehog". It may refer to:
Common meanings Street children, homeless children Sea urchins, spiny sea creatures
Arts and entertainment Urchin (band), an English hard rock band Urchin (album), a 1998 album by Inga Liljeström Urchin (2007 film), a 2007 film by John Harlacher Urchin (2025 film), a 2025 film by Harris Dickinson Urchin, the squirrel protagonist in The Mistmantle Chronicles book series Urchin (Dungeons & Dragons), a type of monster in the Dungeons & Dragons role-playing game "Urchin", a song by Arca from Arca
Other uses HMS Urchin, five ships of the British Royal Navy Urchin Software Corporation, a US web analytics company owned by Google Urchin (software), a series of web analytics developed by the Urchin Software Corporation (now Google Analytics) "Urchin" was the code name for the modulated neutron initiator design used in the earliest American implosion atomic bombs The Urchins, English hooligan firm associated with Liverpool F.C. Urchin Rock, off the coast of Graham Land, Antarctica
See also Sea Urchin (disambiguation)