| Abbreviation | Definition |
|---|---|
| ISCC | International Sustainability Carbon Certification |
| ISSSC | International Society for Six Sigma Certifications |
| ITCC | Information Technology Certification Council |
| JACO | Japan Audit and Certification Organization |
| JCPA | Jordanian Certified Public Accountant |
| JNCIA | Juniper Networks Certified Associate – Junos |
| KLCP | Klingon Language Certification Program |
| KPCS | Kimberley Process Certification Scheme |
| KPCS | Kimberly Process Certification Scheme |
| LACP | Lateral Assessment and Certification Program |
| LACP | Lateral Assessment Certification Program |
| LC | Linux Certified |
| LCCE | Lamaze Certified Childbirth Educator |
| LCCE | Lamaze Certified Childbirth Educators |
| LCI | League Certified Instructor |
| LCMT | Licensed and Certified Massage Therapist |
| LCR | Labor Certification Registry |
| LIC | LICense |
| LICS | Language Industry Certification System |
| LPCB | Loss Prevention Certification Board |