Journal infime is a 2014 French comedy film directed by Julien Neel, based on the first volume of his comic book series, Lou!.

It stars Lola Lasseron, Ludivine Sagnier, Kyan Khojandi, and Nathalie Baye.

Journal infime premiered at the Festival du film francophone d'Angoulême on 24 August 2014, and was released in France on 8 October 2014.

In September 2013, Variety reported that StudioCanal was set to co-produce, distribute, and sell the film.

Julien Di Caro, the composer for the animated television series, returned to score the film.