On-demand or on demand may refer to:
Manufacturing Build-on-demand Just-in-time manufacturing, a methodology for production Print on demand, printing technology and business process in which new copies of a document are not printed until an order has been received
Computing and Internet Certification on demand, a digital certificate process Code on demand, a concept in distributed computing Ballot on Demand, software used to generate paper ballots, provided by Election Systems & Software Gaming on demand, a type of online gaming On-demand event is pre-recorded materials available anytime Content on demand: Video on demand, a type of streaming video or movie service used by services such as Netflix Music on demand, music streaming services like iTunes Television and video media providers Astro On Demand, a Cantonese-language TV service On Demand (Sky), a video on demand service for BSkyB's Sky satellite TV service
Other uses Demand responsive transport, public transit service Personal rapid transit, an on-demand transport service