So Long, Marianne is a 2024 Canadian-Norwegian romantic drama television series, which premiered on September 22, 2024. The series is a dramatization of the 1960s romance between Canadian writer and musician Leonard Cohen and Marianne Ihlen, the Norwegian woman who inspired Cohen's song "So Long, Marianne". The series was created by Ingeborg Klyve and Tony Wood, and is written by Øystein Karlsen and Jo Nesbø.

The series stars Alex Wolff as Cohen and Thea Sofie Loch Næss as Ihlen, as well as Anna Torv as Charmian Clift, Noah Taylor as George Johnston, and Peter Stormare as Irving Layton.

The supporting cast includes Macha Grenon as Cohen's mother, Éric Bruneau as Cohen's cousin Robert Hershorn, and Kim Lévesque Lizotte as Monique Mercure, as well as Robin L'Houmeau, Raphael Grosz-Harvey, Miranda Calderon, Tatiana Latreille, Ryan Bommarito, Emily Lê, Frank Fontaine, Christina Bennington, Megan Jonker, Sonia Berube, Rob Stewart, Chip Chuipka, Howard Bilerman, Avi Bendahan and Patrick Watson in supporting roles.

A co-production of Norway's NRK and Canada's Crave, the series entered production in spring 2023, with shooting in Montreal, Oslo and the Greek island of Hydra.

The series screened in competition at the Series Mania television festival on March 15, 2024.