Blast from the Past is a 1999 American romantic comedy science fantasy adventure film directed and co-produced by Hugh Wilson, based on a story by Wilson—who co-wrote the screenplay with Bill Kelly—and starring Brendan Fraser, Alicia Silverstone, Christopher Walken, Sissy Spacek, and Dave Foley. The film focuses on a man who was born and brought up in a Cold War–era fallout shelter built by his survivalist, anti-Communist father, and emerges into the modern world 35 years later, where his innocence and old-fashioned views put him at comedic odds with others.

The film received mixed reviews from critics and was a box-office disappointment.