Isometrus thwaitesi
{{Short description|Species of scorpion}}
{{Speciesbox
|image =
|image_caption =
|taxon = Isometrus thwaitesi
|authority = (Pocock, 1897)
|synonyms = * Isometrus (Isometrus) thwaitesi Vachon, 1982
- Isometrus (Isometrus) thwaitesi pallidus Lourenço & Huber, 2002
}}
Isometrus thwaitesi is a species of scorpion in the family Buthidae endemic to Sri Lanka.{{cite web|url=http://zipcodezoo.com/Animals/I/Isometrus_thwaitesi/|title=Isometrus thwaitesi|date=21 July 2012|publisher=ZipcodeZoo.com|accessdate=3 August 2013}}{{Cite web |title=A review of the genus Isometrus Ehrenberg, 1828 (Scorpiones: Buthidae) with descriptions of four new species from Asia and Australia |url=https://mds.marshall.edu/cgi/viewcontent.cgi?article=1038&context=euscorpius |access-date=2021-08-30 |website=Euscorpius — Occasional Publications in Scorpiology. 2003, No. 10}}