"Sister Marie Says" is the thirty-second UK single from English synthpop band Orchestral Manoeuvres in the Dark, released on 15 November 2010. Remixes by Monarchy, Stopmakingme, Kinky Roland and Mirrors have been commissioned.

"Sister Marie Says" was originally written in 1981. Elements of it were also commissioned. In 1996, the song was due to feature on the group's tenth album Universal, but was scrapped due to the song being out-of-character with the album's reflective tone.

The subject of the song is self-styled nun, prophet and astronomer 'Sister Marie Gabriel' (a.k.a. Sofia Richmond, Sofia Paprocski, Zofia Sagatis, Sofia Marie Angel, etc.; b. Poland, 1941) who became notorious for producing apocalyptic warnings of imminent world doom. This later culminated in 1994 with her publishing (from her London flat) alarming full-page advertisements in several British national daily newspapers, incorrectly predicting "God's final warning", a supposed massive fireball directed across space at planet Earth from Jupiter, resulting from the (already predicted) impact of comet Shoemaker-Levy 9.

After the band's reunion, the song was demoed in 2007 and released as a free download. The final version was produced and mixed by Guy Katsav at his London studio and its featured on their eleventh studio album History of Modern.

The duo announced the single on 18 October 2010. The artwork was also revealed, as well as the candidates for remixes which also include Switchblade, The Str8jackets & Zoned Out. On 26 October 2010, the limited edition 7 in vinyl single was released for pre-order on the band's website.

The music video for "Sister Marie Says" was released on 25 October 2010.

The B-side track History of Modern (Part III & IV) on this Limited edition single is a longer version than the one on the EP History of Modern (Part I), where the track with the same name is only 2:03

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