Spiritual Machines is the fourth studio album by the Canadian alternative rock band Our Lady Peace, released by Columbia Records in December 2000. Although not initially intended, the project evolved into a conceptual interpretation of futurist and inventor Raymond Kurzweil's 1999 book The Age of Spiritual Machines. Short tracks of spoken dialog from Kurzweil himself are interspersed among the actual songs on the album. The Kurzweil K250 keyboard, one of his inventions, was utilized throughout the recording of the album.

The album was written and recorded in two months while the band was still on tour in support of their previous record, Happiness... Is Not a Fish That You Can Catch, which had only been released 14 months prior. A combination of lead singer-songwriter Raine Maida's prolific songwriting at the time and lead-guitarist Mike Turner's discovery of The Age of Spiritual Machines in a bookstore hurried the completion of the album. The band only took a break from recording to organize and perform at Summersault in 2000. Unlike their previous releases, this one features a more organic, acoustic sound, and less obvious layering and electronic texturing.

Spiritual Machines has been noted as being the end of an era for Our Lady Peace, as it was the last album produced by the band's longtime producer Arnold Lanni, the last to feature original guitarist Mike Turner in full, and the last studio album to feature art model Saul Fox (until 2021) on its cover. It was also the last album to feature Maida's high-falsetto singing voice prominently. The album peaked at number five in Canada, where it is certified double platinum.

In August 2020, the band announced that they would be releasing a direct sequel to the album, titled Spiritual Machines 2, which was released in 2022.