HELO
| Acronym | Definition |
|---|---|
| HELO | Helicopter |
| HELO | Hispanic Elected Local Officials (National League of Cities) |
| HELO | Hungarian Eco-Labelling Organization (Ministry of Environment and Water; Hungary) |
| HELO | Highly Elliptical Lunar Orbit |
| HELO | Hanze Electronische Leer Omgeving (Dutch: Hanze Electronic Learning Environment; Hanze University Groningen; Netherlands) |