Michael I. Saaristo (1938 – 27 April 2008) was a Finnish arachnologist, with a particular interest in the spiders of the Seychelles.
[1] The World Spider Catalog lists 61 genus names or synonyms and 109 species names or synonyms of which he is the sole or co-author.
[2][3] His account of the spiders of the Seychelles was published in 2010, after his death, with the assistance of Yuri M.
[4] The spider genera Saaristoa[5] and Saaristattus[6] were named after him.
The World Spider Catalog lists 15 species with the specific name saaristoi, honouring him.