Hosting may refer to:

To act as the organizer or master of ceremonies for an event
Self-hosting (compilers), software distribution which provides all necessary source code to enable itself to be re-compiled from scratch
Internet hosting service, including:
Web hosting service, service that makes the website accessible via the World Wide Web
Shared web hosting service, web hosting service where many websites reside on one webserver
Software as a service, model in which software is licensed on a subscription basis and is centrally hosted
Dedicated hosting service, Internet hosting in which the client leases an entire server
One-click hosting