Maintenance may refer to:

Biological science

* Maintenance of an organism * Maintenance respiration

Non-technical maintenance

* Alimony, 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 Feudal maintenance under feudal systems of government, was the money payment to soldiers who fought in the interest and at the command of their lord. Such soldiers comprised private armies, each with uniquely identifiable livery A livery is ...

, 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 install ...

* Aircraft maintenance *

Bicycle maintenance Various bicycle tools have evolved over the years into specialized tools for working on a bicycle. Modern bicycle shops will stock a large number of tools for working on different bicycle parts. This work can be performed by a trained bicycle mecha ...

* 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 * 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