When the Wind Blows is a 1986 British adult animated disaster film directed by Jimmy Murakami based on Raymond Briggs' graphic novel of the same name. The film stars the voices of John Mills and Peggy Ashcroft as the two main characters and was scored by Roger Waters. The film recounts a rural English couple's attempt to survive a nearby nuclear attack and maintain a sense of normality in the subsequent fallout and nuclear winter.

Teruaki "Jimmy" Murakami was an American animator and film director with a long career working in numerous countries. Among his best-known works are the animated adaptations of the Raymond Briggs books When the Wind Blows and The Snowman. He was nominated for an Academy Award for Best Animated Short Film for The Magic Pear Tree (1968).