ISP - Frequently Asked Questions What is the full form of ISP in Information Technology, Computer and Networking, Telecommunication, Networking, Softwares? Expand full name of ISP . What does ISP stand for? Is it acronym or abbreviation? An Internet Service Provider (ISP) is an organization that provides internet access to individuals, businesses and other organizations. They connect us to the internet, either through wired connections (like fiber or cable) or wireless methods (like Wi-Fi or mobile data). ISP stands for Internet Service Provider, a company or organization that offers internet connectivity and other services. Learn about the different types of ISP connections, such as fiber, DSL, satellite and cable, and the best ISP providers in India.