Diary of a Fleeting Affair (French: Chronique d'une liaison passagère) is a 2022 French romantic comedy-drama film directed by Emmanuel Mouret.

[1][2] It premiered on 21 May 2022 at the 75th Cannes Film Festival, where it competed for the Queer Palm.

The film was theatrically released in France on 14 September 2022 by Pyramide Distribution.

[4] On the review aggregator website Rotten Tomatoes, the film holds an approval rating of 92% based on 13 reviews, with an average rating of 7.7/10.

[5] Diary of a Fleeting Affair received an average rating of 4.0 out of 5 stars on the French website AlloCiné, based on 35 reviews.