[Problem] To easily and inexpensively provide an organic compound nanopowder while avoiding contamination by impurities for removal. [Solution] The present invention relates to an organic compound nanopowder and a production method therefor. The organic compound nanopowder comprises at least: a particulate organic compound of which the average particle diameter is 500 nm or less and the 90% diameter is less than 1500 nm； and a sugar compound made from a sugar and/or a sugar alcohol, said sugar compound having a mass ratio of at least 0.3 relative to the organic compound. The present invention also relates to a suspension that is made by dispersing the organic compound nanopowder in a liquid dispersion medium in which the organic compound is either insoluble or slightly soluble.
