The Great Swift is a small butterfly in the family of Skippers, with the scientific name Pelopidas assamensis. This one was spotted in Erawan National Park.

It is named after Pelopidas, the important Theban statesman and general in ancient Greece, as well as after the geographical area of Assam in northeastern India. This is a variable species found in South and Southeast Asia, and occurs in many different forms in both sexes.

In general, members of this species are brown with tiny white spots and sometimes other pale markings.