|Flag of Sakhalin Oblast|
|Adopted||April 27, 1997|
|Designed by||Vitaliy Yevgenyevich Gomelevskiy|
The flag of Sakhalin Oblast is a sea green (greenish blue) sheet with white silhouettes of the Sakhalin island and the Kurile islands, arranged in V-like pattern in the centre.
The flag depicts a map of the territories included into the oblast.
The flag shows the four southern Kurile islands claimed by Japan.