| ICWM | Institute of Cape Wine Masters 
| Others |
| ICWM | Institute of Caster and Wheel Manufacturers
| Others |
| ICWM | Institute of Chartered Waste Managers
| Others |
| ICWM | Integrated Chinese Western Medicine
| Others |
| ICWM | Integrative Chinese and western medicine
| Others |
| ICWM | International Coalition of Workplace Ministries
| Others |
| ICWM | International Committee for Weights and Measures
| Others |
| ICWM | International Congress for Women in Music
| Others |
| ICWM | International Congress of Women Mathematicians
| Others |
| ICWM | Inventory Control Warehouse Management
| Others |