De Appel is a contemporary arts centre, located in Amsterdam.

Since it was founded in 1975 by Wies Smals [nl], the goal of De Appel is to function as a stage for research and presentation of visual arts.

Exhibitions, publications and discursive events are the main activities of De Appel.

[citation needed] In 1994, Saskia Bos established an intensive course, called 'The Curatorial Programme'.

This programme was the first practice-oriented educational course for (aspiring) gallery owners and (young) art professionals who wanted to deepen their curatorial and business competencies in the commercial segment of the art world.