The Flag of Sonsorol is one of the five flags used by the Republic of Palau, an island nation located in the western Pacific Ocean. Adopted on October 10, 2009, the flag of Sonsorol features a white field with four equal horizontal bands of red, black, blue, and yellow from top to bottom. The center of the flag contains a white five-pointed star, symbolizing the island itself, positioned equidistant from the top and bottom edges and slightly off-center towards the hoist side. Sonsorol State is one of the four states of Palau, with its capital located at Airai. The design of the flag reflects the unique cultural identity of Sonsorol within the broader context of Palau.