| Acronym | Definition |
|---|
| BHO | Browser Helper Object |
| BHO | Bundeshaushaltsordnung |
| BHO | Browser Helper Objects |
| BHO | Bhopal, India (airport code) |
| BHO | Behavioral Health Organization (various organizations) |
| BHO | Barack Hussein Obama, Jr. (44th US president) |
| BHO | Book History Online (database) |
| BHO | British History Online |
| BHO | Behavioral Healthcare Options (Las Vegas, NV) |
| BHO | Bad Hangover |
| BHO | Beverly Hills Orchestra (band) |
| BHO | Banjo Hangout (website) |
| BHO | Bolt Hold Open (guns) |
| BHO | Butane Hash Oil |
| BHO | Baby Half Off (retail website) |
| BHO | Battle Handover |
| BHO | Basketball Hoops Online (Woodstock, GA) |
| BHO | Brock House Orchestra (Vancouver, Canada) |
| BHO | Brooklyn Heights Orchestra (Brooklyn, NY) |