'''Trisurya''<ref>https://siapabilang.com/buku-trisurya/</ref> ({{lang-zh|s=三体|l=Tiga Raga}}, {{lang-en|The Three-Body Problem|l=}}, harfiah: Masalah Tiga Raga}}}Jasad) adalah sebuah novel [[fiksi ilmiah]] karya penulis Tionghoa [[Liu Cixin]]. Ini adalah novel pertama dari trilogi ''[[Remembrance of Earth's Past]]'' ({{zh|地球往事}}), tetapi para pembaca Tionghoa umumnya menyebut seluruh serial tersebut dengan judul novel pertamanya .<ref>{{cite news|last=Liu|first=Cixin|title=The Worst of All Possible Universes and the Best of All Possible Earths: Three Body and Chinese Science Fiction|url=http://www.tor.com/blogs/2014/05/the-worst-of-all-possible-universes-and-the-best-of-all-possible-earths-three-body-and-chinese-science-fiction|accessdate=8 May 2014|newspaper=[[Tor.com]]|date=7 May 2014|deadurl=no|archiveurl=https://web.archive.org/web/20140508173144/http://www.tor.com/blogs/2014/05/the-worst-of-all-possible-universes-and-the-best-of-all-possible-earths-three-body-and-chinese-science-fiction|archivedate=8 May 2014|df=}}</ref>
