HAP

• HAP Grieshaber
• Hap (file format)
• Hap (nickname)
• Hap inc.
• Haplochromine
• Haps (disambiguation)
• Hazardous air pollutant
• Health Australia Party
• Henry Augustus Pearson Torrey
• High-altitude platform
• Hospital and Healthsystem Association of Pennsylvania
• Hospital-acquired pneumonia
• Housing Authority of Portland
• Humanitarian Accountability Partnership
• Hupla language
• Hydroxylapatite
• Hypoxia-activated prodrug
• Karuka
• Phạm Hạp
• Rights and Justice Party
• Tiger HAP
• Wessex Poems and Other Verses