| Acronym | Definition |
|---|
| APCI | Agence pour la Promotion de la Création Industrielle (French: Agency for the Promotion of Industrial Creation) |
| APCI | Atmospheric Pressure Chemical Ionization |
| APCI | Advanced Configuration and Power Interface (computing) |
| APCI | Air Products & Chemicals, Inc. |
| APCI | Affirming Pentecostal Church International (Indianapolis, IN) |
| APCI | Advisory Panel on Country Information (UK) |
| APCI | Average per Capita Income |
| APCI | Association of Professional Color Imagers |
| APCI | Applied Personal Computing, Inc. (Fairview Heights, IL) |
| APCI | Advanced Power Configuration Interface (computing) |
| APCI | American Personal Chef Institute |
| APCI | Application-Layer Protocol Control Information |
| APCI | Atrial Peptide Clearance Inhibitors |
| APCI | Association of Police and Court Interpreters |
| APCI | Additional Calling Party Information Indicator |
| APCI | Armor Piercing Capped Incendiary |
| APCI | Advocacy for Patients with Chronic Illness (Farmington, CT) |
| APCI | Advanced Programming, Consulting & Integration (Fairview Heights, IL) |