Gigantometrus titanicus, commonly known as the Sri Lankan Giant Forest Scorpion, is a member of the family Scorpionidae, originating from Sri Lanka. Closely related to Gigantometrus swammerdami, this species is known for its substantial size, Less commonly encountered in the UK hobby, Gigantometrus titanicus makes an excellent addition to collections specialising in large, rare scorpions.

The name titanicus derives from the Titans of Greek mythology, renowned for their immense size and strength, a fitting reference to the impressive proportions of this giant forest scorpion.