Caps are flat headgear.

Caps or CAPS may also refer to:

• CESG Assisted Products Service, provided by the U.K. Government Communications Headquarters
• Composite Application Platform Suite, by Java Caps, a Java framework
• Computer Animation Production System, a film animation post-production system developed by Walt Disney Feature Animation and Pixar

• Calcyphosin, the CAPS gene and its protein
• Cleaved amplified polymorphic sequence, markers used to detect a polymorphic sequence

• Auditory processing disorder (APD), formerly Central Auditory Processing Syndrome
• Catastrophic antiphospholipid syndrome
• Cryopyrin-associated periodic syndrome, a spectrum of autoinflammatory syndrome

• CAPS (buffer), N-cyclohexyl-3-aminopropanesulfonic acid, in biochemistry, a buffering agent
• Cognitive-affective personality system, a model within psychology of personality

• Cassini Plasma Spectrometer, a direct sensing instrument that measures the energy and electrical charge of particles
• Cirrus Airframe Parachute System, a whole-aircraft emergency parachute system developed by Ballistic Recovery Systems and Cirrus
• Collective Awareness Platforms for Sustainability and Social Innovation, a program of the European Commission

• Californians for Population Stabilization
• Captive Animals Protection Society
• Center for Advanced Public Safety at the University of Alabama
• Center for American Political Studies at Harvard University
• Center for Analysis and Prediction of Storms
• Citizen Action Party – Sikkim
• Comic Art Professional Society
• Policy Planning Staff (France), Centre d'Analyse, de Prévision et de Stratégie

• Caps (gamer), Danish esports player
• Cap (sport), a measure of a player's international appearances, especially in football
• Washington Capitals, an American ice hockey team

• Caps (party), an 18th-century Swedish political faction
• All caps, formatting text to only use capital/uppercase letters
• Caps, Texas, Taylor County, Texas, U.S.
• Chicago Alternative Policing Strategy, a government program in Illinois, U.S.

• All pages with titles beginning with Caps
• All pages with titles containing Caps
• Cap (disambiguation)
• Capps (disambiguation)
• St. John's IceCaps, an AHL team
• Raleigh IceCaps, an ECHL team