Migration, migratory, or migrate may refer to:
- Human migration, physical movement by humans from one region to another
- International migration, when peoples cross state boundaries and stay in the host state for some minimum length of time
Biology
- Migration (ecology), the large-scale movement of species from one environment to another
- Plant migration, see Seed dispersal, the movement or transport of seeds away from the parent plant
- Gene migration, a process in evolution and population genetics
- Cell migration, a process in the development and maintenance of multicellular organisms
Physics and chemistry
- Molecular diffusion, in physics
- Migration (chemistry), type of reaction in organic chemistry
- Seismic migration, in seismic and ground penetrating radar data processing
- Microscopic motion of material caused by an external force, distinct from spontaneous diffusion, including drift current, electrophoresis, electromigration, thermodiffusion, sedimentation, in physical chemistry and materials
- Planetary migration, the alteration of the satellite's orbital parameters
- Migration (virtualization), the process by which a running virtual machine is moved from one physical host to another
- Content migration, the process of moving information to a new system
- Data migration, the process of transferring data between storage types, formats, or computer systems
- PC migration, the process of transferring the entire user environment between two computer systems
- Schema migration, the management of incremental, reversible changes to relational database schemas
- Software migration, the conversion, rewriting or porting of a legacy system to a modern computer system
- System migration, the tasks involved when moving data and applications from current hardware to new hardware
- Piercing migration, in body modification, a process that occurs when a body piercing moves from its initial location