The Passion of Ayn Rand is a 1999 American biographical drama television film directed by Christopher Menaul and written by Howard Korder and Mary Gallagher, based on the 1986 book of the same name by Barbara Branden.

The film stars Helen Mirren as philosopher and novelist Ayn Rand, who engages in an affair with Nathaniel Branden, played by Eric Stoltz, a psychologist who is 25 years younger than she is.

The film also stars Julie Delpy as Branden's wife Barbara and Peter Fonda as Rand's husband Frank O'Connor.

[3] Based on reviews collected by Rotten Tomatoes, the film has an overall approval rating from critics of 80%, with an average score of 6.8/10.

[4] Writing in Variety, David Kronke called the film "an ambitious, visually sumptuous attempt to depict a bizarre element of a controversial personality's life".