No, it's not. The Greatest Showman is a fictional musical film that takes inspiration from various elements but is not based on a specific true story.
The Greatest Showman isn't based on a factual account. It's a creative work that weaves together themes and ideas to create an entertaining narrative, but it doesn't draw directly from real-life events.
The movie The Greatest Showman is not based on a true story. It's more of a fictionalized spectacle that combines imagination and entertainment, rather than being rooted in actual events.