The DNSA (Dutch National Students Association) or ISO (Interstedelijk Studenten Overleg) is the national representation and spokesman of students in the Netherlands at the Ministry of Education, Culture and Science, VSNU (Association of Universities in the Netherlands), Association of Higher Professional Education, IB-Groep, etc. The purpose of DNSA is to improve the quality of higher education, protection of students' interests and representation of 200,000 students in higher education.

The DNSA is a full member of National Unions of Students in Europe.

Groups of Students' Unions