PACS

• Cape Sarichef Airport
• Herschel Space Observatory
• Long COVID
• PAC (disambiguation)
• Pacte civil de solidarité
• Palo Alto Chinese School
• Partial anterior circulation stroke syndrome
• Peace and conflict studies
• Physics and Astronomy Classification Scheme
• Picture archiving and communication system
• Political action committee
• Poorest Areas Civil Society Program
• Premature atrial contraction
• Primary Agricultural Credit Society
• Primary airport control station
• Provisional Army of the Confederate States