List of One Piece chapters (1–186)

One Piece is a shōnen manga series written and illustrated by Eiichiro Oda that has been translated into various languages and spawned a substantial media franchise. It follows the adventures of the seventeen-year-old boy Monkey D. Luffy, whose body gained the properties of rubber when he accidentally ate a supernatural fruit, as he travels the oceans in search of the series' titular treasure and gathers himself a ragtag crew of heroic pirates, named the Straw Hats. In Japan, the series is published by Shueisha – chapterwise in the manga anthology Weekly Shōnen Jump since the magazine's issue of August 4, 1997 and in tankōbon format since December 24, 1997. , the series spans over 500 chapters and more than 50 tankōbon volumes.

In North America, Viz Media is publishing its English language adaptation of the series – chapterwise in the manga anthology Shonen Jump since the magazine's launch in November 2002 and in tankōbon format since June 2003. In the United Kingdom, the tankōbon were published by Gollancz Manga, starting March 2006, until Viz Media took over after the fourteenth volume. In Australia and New Zealand, the English volumes are distributed by Madman Entertainment since November 10, 2008. , only 22 English language volumes have been published. However, in July 2009, Viz Media announced its plans to release five volumes per month during the first half of 2010.