The Fragile Army is the third album from the symphonic-rock group The Polyphonic Spree. The album was released on TVT Records on June 19, 2007.

On April 26, 2007, an eight-minute-long mash-up preview of the album was made available as a free download.[1]

On May 12, 2007, the entire album was leaked to various P2P networks. The leaked version of the album includes a song entitled "Section 27 (Oh I Feel Fine)". However, on the actual album Section 27 is a new version of the track "Mental Cabaret", which originally featured on the Wait EP.

There was also a deluxe version of the album released including a patch and a DVD. Additionally, there is a double vinyl available for sale that also includes a voucher for online download of the album in MP3 format.

The Fragile Army is the Polyphonic Spree's only record on which lead guitarist Annie Clark, better known as St. Vincent, appears as an official member of the band. Clark left the group shortly before the album's release. Pianist Mike Garson, best known for his work with David Bowie, was also part of the band's lineup during the recording.