Cartesian Meditations: An Introduction to Phenomenology (French: Méditations cartésiennes: Introduction à la phénoménologie) is a book by the philosopher Edmund Husserl, based on four lectures he gave at the Sorbonne, in the Amphithéatre Descartes on February 23 and 25, 1929.

Over the next two years, he and his assistant Eugen Fink expanded and elaborated on the text of these lectures.

These expanded lectures were first published in a 1931 French translation by Gabrielle Peiffer and Emmanuel Levinas with advice from Alexandre Koyré.

Thus Husserl wrote: France's greatest thinker, René Descartes, gave transcendental phenomenology new Impulses through his Meditations; their study acted quite directly on the transformation of an already developing phenomenology into a new kind of transcendental philosophy.

Accordingly one might almost call transcendental phenomenology a neo-Cartesianism, even though It Is obliged — and precisely by its radical development of Cartesian motifs — to reject nearly all the well-known doctrinal content of the Cartesian philosophy.The work is divided into five "meditations" of varying length, whose contents are as follows: