D
- Dangerous drugs
- Dangerous structure or building
- Data
- Davao International Airport Authority
- Defacing or tampering with a serial number
- Default or delinquency
- Deinstitutionalization
- Delineation
- Demarcation
- Department of Energy (DOE)
- Department of Information and Communications Technology
- Department of Information and Communications Technology Act of 2015
- Dependent
- Deposit
- Designated establishment
- Designated payment system
- Development partner
- Diagnosis
- Dietetics
- Diplomatic motor vehicle
- Direct contempt
- Direct contributor
- Direct training expenses
- Director
- Disaster
- Disaster mitigation
- Disaster preparedness
- Disaster prevention
- Discrimination
- Discrimination in employment on account of age
- Disease
- Disease control
- Disease surveillance
- Dismantling
- Dispensing
- Disputed claim
- Distance education
- Distracted driving
- Distribution lines
- Distribution projects
- Distribution system
- Distribution utility
- Document
- DOH hospital
- Domestic cargo
- Domestic movement
- Dominant position
- Donor provider
- Double degree
- Driver
- Drug rehabilitation
- Drugs
- Dual-use goods