.RS is the Internet country code top-level domain for Serbia. The letters RS stand for Republic of Serbia. The domain name registry that operates it is the Serbian National Internet Domain Registry RNIDS.

RS domain names are registered in the following domain name spaces:

• .co.rs – Corporations
• .org.rs – Civil organizations and associations
• .edu.rs – Educational institutions and organizations (except ac.rs sub-domain)
• .ac.rs – Academic and research network of Serbia (delegated)
• .gov.rs – Government institutions (delegated)
• .in.rs – Personal use

RS domain name registration services are provided to end users by accredited registrars.