- Dark fermentation
- Dark matter
- Dark patterns
- Dark septate endophyte
- Dark silicon
- Dark skin
- Darknet
- Darlington transistor
- Darrieus wind turbine
- Dart
- Dartmouth workshop
- Dartos
- Darwin Core
- Darwinism
- Dashpots
- Dask
- Data Protection Act 1998
- Data access
- Data access layer
- Data acquisition
- Data aggregation
- Data analysis
- Data anonymization
- Data architecture
- Data as code
- Data assimilation
- Data at rest
- Data augmentation
- Data breach
- Data buffer
- Data centers
- Data circuit-terminating equipment
- Data classification
- Data cleansing
- Data collection
- Data communication
- Data compression
- Data consistency
- Data conversion
- Data corruption
- Data cube
- Data curation
- Data deduplication
- Data degradation
- Data dictionary
- Data dissemination
- Data domain
- Data dredging
- Data element
- Data engineering
- Data entry
- Data exchange
- Data exhaust
- Data exploration
- Data extraction
- Data file
- Data fusion
- Data generating process
- Data governance
- Data grid
- Data hierarchy
- Data hub
- Data in use
- Data independence
- Data infrastructure
- Data integration
- Data integrity
- Data lakes
- Data lineage
- Data link
- Data link layer
- Data literacy
- Data localization
- Data loggers
- Data loss
- Data management
- Data management plans
- Data mapping
- Data marts
- Data masking
- Data migration
- Data mining
- Data model
- Data modeling
- Data monetization
- Data parallelism
- Data plane
- Data points
- Data preparation
- Data preprocessing
- Data preservation
- Data processing
- Data proliferation
- Data protection
- Data protection officer
- Data publishing
- Data quality
- Data rate
- Data recovery
- Data reduction
- Data redundancy
- Data reporting
- Data retrieval
- Data science
- Data scraping
- Data scrubbing
- Data security
- Data service unit
- Data set
- Data sharing
- Data sonification
- Data sovereignty
- Data storage
- Data store
- Data stream
- Data stream mining
- Data structures
- Data synchronization
- Data system
- Data theft
- Data transformation
- Data transmission
- Data type
- Data validation
- Data valuation
- Data verification
- Data version control
- Data virtualization
- Data visualization
- Data warehouse
- Data wrangling
- Data-driven model
- Data-flow analysis
- Data-intensive computing
- Database
- Database administration
- Database administrator
- Database design
- Database engine
- Database index
- Database machine
- Database model
- Database schema
- Database security
- Database server
- Database transaction
- Datafication
- Dataflow
- Dataflow architecture
- Dataflow programming