The Internet Services Providers' Association (ISPA) UK is the trade association for companies involved in the provision of Internet Services in the UK. ISPA was founded in 1995, and seeks to actively represent and promote the interests of businesses involved in all aspects of the UK Internet industry.

ISPA membership includes small, medium and large Internet service providers (ISPs), cable companies, web design and hosting companies and a variety of other organisations. ISPA currently has over 200 members, representing more than 95% of the UK Internet access market by volume.

ISPA was a founding member of EuroISPA. EuroISPA is the voice of the EU Internet industry and the largest umbrella organisation of ISPs globally.