OCD (disambiguation)

OCD is an abbreviation that may stand for:

Medical uses

• Obsessive–compulsive disorder (OCD), a psychological disorder
• Obsessive–compulsive personality disorder (OCPD), a psychological disorder that is often mistakenly called OCD
• On-call duty, a long shift that may be assigned to medical residents
• Ortho-Clinical Diagnostics
• Osteochondritis dissecans, a painful joint condition in humans and animals

Computing

• OCD, the file suffix used by OCAD mapping software
• Object collision detection
• On-chip debugging

Offices and institutions

• Office of Civil Defense, National Emergency Management Agency of the Philippines
• Office of Civilian Defense, a World War II-era U.S. government agency
• Office of Community Development, a part of the U.S. Department of Agriculture's rural development activities
• O.C.D., the post-nominal initials for members of the Catholic order of Discalced Carmelites (from the Latin, Ordo Carmelitarum Discalceatorum)

May also stand for

• Okanogan Conservation District
• Oxford Classical Dictionary

Other

• "O.C.D.", a song by Suicide Silence from their third album The Black Crown
• Obsessive Completion Distinction, an achievement demanding extraordinary attention to detail in the video game World of Goo
• Octavian County Day School, a school attended by characters of Lisi Harrison's The Clique books