Blue Valentine is a 2010 American romantic drama film written and directed by Derek Cianfrance that premiered in competition at the 2010 Sundance Film Festival. It is co-written by Joey Curtis and Cami Delavigne and stars Ryan Gosling and Michelle Williams. The film was scored by Brooklyn band Grizzly Bear.

The film centers on a married couple, Dean and Cindy and their relationship over a number of years by shifting between different time periods. Problems with the marriage centre around the ambition of the wife, juxtaposed to the contentment of the husband to centre his life around his wife and child.

The Blue Valentine script recently won the Chrysler Film Project, a competition that awards cash to an outstanding new feature film director, selected from over 550 submissions from across the country, overseen by Independent Feature Project , and evaluated by a panel of eminent film industry professionals.

The film was screened in the Un Certain Regard section at the 2010 Cannes Film Festival. It will be distributed by The Weinstein Company, and set for a limited release on December 31, 2010.