Maintenance may refer to:

Biological science

* Maintenance of an organism * Maintenance respiration

Non-technical maintenance

Alimony Alimony, also called aliment (Scotland), maintenance (England, Ireland, Northern Ireland, Wales, Canada, New Zealand), spousal support (U.S., Canada) and spouse maintenance (Australia), is a legal obligation on a person to provide financial sup ...

, also called ''maintenance'' in British English * Champerty and maintenance, two related legal doctrines *

Child support Child support (or child maintenance) is an ongoing, periodic payment made by a parent for the financial benefit of a child (or parent, caregiver, guardian) following the end of a marriage or other similar relationship. Child maintenance is paid d ...

, also commonly called "child maintenance" * Feudal maintenance, system of funding armies

Technical maintenance

Maintenance (technical) The technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure, and supporting utilities in industrial, business, and residential installa ...

Aircraft maintenance Aircraft maintenance is the performance of tasks required to ensure the continuing airworthiness of an aircraft or aircraft part, including overhaul, inspection, replacement, defect rectification, and the embodiment of modifications, compliance ...

* Bicycle maintenance * Bus maintenance *

Car maintenance A motor vehicle service or tune-up is a series of maintenance procedures carried out at a set time interval or after the vehicle has traveled a certain distance. The service intervals are specified by the vehicle manufacturer in a service schedule ...

* Train maintenance * Property maintenance * Railroad track maintenance *

Software maintenance Software maintenance in software engineering is the modification of a software product after delivery to correct faults, to improve performance or other attributes. A common perception of maintenance is that it merely involves fixing defects. H ...

Some kinds of technical maintenance

Condition-based maintenance The technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure, and supporting utilities in industrial, business, and residential installa ...

* Corrective maintenance *

Planned maintenance The technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure, and supporting utilities in industrial, business, and residential install ...

* Predictive maintenance * Preventive maintenance * Total productive maintenance {{disambiguation