Megalorchestia pugettensis is a species of sand-hopper in the family Talitridae.

[1][2] Megalorchestia pugettensis was initially placed under the genus Orchestoidea.

The classification had four dentate species in the southern hemisphere under Orchestoidea and five dentate in the northern hemisphere under Megalorchestia.

This differentiation was proposed by Johann Friedrich von Brandt in 1851.

[1][3] Megalorchestia pugettensis is found along the west coast of North America, specifically in the Pacific Northwest, British Columbia, and southern Alaska.