SURF is an organization that develops, implements and maintains the national research and education network (NREN) of the Netherlands.

The company SURFnet used to be a subsidiary of the not-for-profit foundation, SURF (Samenwerkende Universitaire Reken Faciliteiten; English: Co-operative University Computing Facilities).

The company collaborates with a number of organization, both nationally and internationally, including the pan-European research network GÉANT (formerly DANTE and TERENA), Kennisnet and GLORIAD.

SURF's executives have been founders of or occupied board positions in organisations including Ebone, CENTR, SIDN, AMS-IX, TERENA, DANTE, RIPE NCC, ISOC, IETF, IESG and IAB.

[citation needed] Surfnet became a driving force behind ICT-based innovation in higher education a research in the Netherlands.