Prangli (Swedish: Vrangö) is an Estonian island in the Gulf of Finland.

The earliest known written records of Prangli date from 1387, the island was then called Rango, and it had been settled by Swedes.

In 1941, the Estonian steamship Eestirand was shipwrecked off the coast of Prangli Island after a German air attack.

[1] The Estonian crew and conscripts managed to disarm Soviet military personnel aboard the ship and take control of the island, hoisting the flag of the Estonian Republic up a tall pine tree.

[2] The revolt saved approximately 2,700 conscripts, most of whom were Estonian, from being mobilized to Leningrad.