{{Infoboks bog
| titel         = Fifty Shades of Grey
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| forfatter     = [[E. L. James]]
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| land          = Storbritannien
| sprog         = [[Engelsk (sprog)|Engelsk]]
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| isbn          = 978-1-61213028-6
| oclc          = 780307033
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| fortsættelse  = [[Fifty Shades. I mørket]]
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'''''Fifty Shades of Grey''''' er en erotisk roman fra 2011, som er skrevet af [[E. L. James]]. Det er den første bog i Fifty Shades of Grey-trilogien, der handler om forholdet mellem Anastasia Steele og den unge virksomhedejer Christian Grey. Den er kendt for sine eksplicitte erotiske scener med elementer af seksuel praksis, som indebærer bondage/disciplin, dominance/submission, og sadisme/masochisme ([[BDSM]]). Oprindeligt blev den udgivet som e-bog og [[print-on-demand]],<ref>[http://www.thedailybeast.com/articles/2012/03/17/50-shades-of-grey-a-self-published-e-book-is-the-future-of-publishing.html#url=/articles/2012/03/17/50-shades-of-grey-a-self-published-e-book-is-the-future-of-publishing.html ‘50 Shades of Grey,’ a Self-Published E-Book, Is the Future of Publishing] {{Webarchive|url=https://web.archive.org/web/20150213090431/http://www.thedailybeast.com/articles/2012/03/17/50-shades-of-grey-a-self-published-e-book-is-the-future-of-publishing.html#url=/articles/2012/03/17/50-shades-of-grey-a-self-published-e-book-is-the-future-of-publishing.html |date=13. februar 2015 }}. Lizzie Shurnick. The Daily Beast. 17 March 2012. Retrieved 8 March 2014.</ref><ref>[http://www.huffingtonpost.com/ronald-h-balson/bestseller-success-storie_b_4064574.html ''Bestseller Success Stories that Started Out as Self-Published Books.''] {{Webarchive|url=https://web.archive.org/web/20150220112411/http://www.huffingtonpost.com/ronald-h-balson/bestseller-success-storie_b_4064574.html |date=20. februar 2015 }} Ronald H. Balsom. 8 October 2013.</ref>, hvorefter udgivelsesrettighederne blev erhvervet af [[Vintage Books]] i marts 2012.<ref>Julie Bosman. ''Fifty Shades of Gray Hits a Sales Milestone''. ''The New York Times''. 27 February 2014. page C3.</ref><ref>[http://www.hollywoodreporter.com/news/fifty-shades-grey-sales-hit-683852 "Fifty Shades of Grey" Sales Hit 100 Million] {{Webarchive|url=https://web.archive.org/web/20150213185307/http://www.hollywoodreporter.com/news/fifty-shades-grey-sales-hit-683852 |date=13. februar 2015 }}. Andy Lewis. ''The Hollywood Reporter''. 16 February 2014.</ref>
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