- AHLP stands for Alliance for Historic Landscape Preservation (est. 1978)
- AHLP stands for AltaLink Holdings LP
- AHLP stands for Africana Homestead Legacy Publishers (Cherry Hill, NJ)
- AHLP stands for Atelier d’Histoire de la Longue-Pointe (French: History Workshop of Long Point; Canada)
- AHLP stands for Active Harmonic Load-Pull
AHLP