| BLDP | Babine Lake Development Project (est. 1965; Canada) 
| Others |
| BLDP | bag of little Dirichlet processes
| Others |
| BLDP | Belarusian Liberal Democratic Party
| Others |
| BLDP | Belarusian Liberal Democratic Party (Belarus)
| Others |
| BLDP | Black Light Dinner Party (band)
| Others |
| BLDP | Brent Learning Disability Partnership (UK)
| Others |
| BLDP | Buddhist Liberal Democratic Party
| Others |
| BLDP | Bulgarian Linux Documentation Project (computing)
| Others |
| BLDP | Business Leader Development Program
| Others |