IE Business School, whose full name is Instituto de Empresa Business School, is a Spanish business school based in Madrid.

It is regularly recognised by various rankings as one of the best business schools in Europe and the world, and one of the best in Spain, particularly for its MBA programme.

Founded in 1973 by Diego del Alcázar, the school offers a wide range of management programmes and degrees: MBA, Global MBA, Executive MBA, Master in Management (MIM), specialised masters including the Master in Finance (MiF), Doctorates (DBA and PhD), as well as Executive Education programmes for senior executives.

Some 1,500 students from 70 countries graduate from the school every year, and 3,500 managers follow one of its courses.