Romania–Ukraine relations are foreign relations between Romania and Ukraine. Diplomatic relations between both countries were established on February 9, 1918, and re-established in 1992. In 2020, it was announced that Romania would open a consulate for Ukraine in Sighetu Marmației.

Snake Island, also known as Serpent Island, White Island, Island of Achilles or Zmiinyi Island, is a Ukrainian island located in the Black Sea, near the Danube Delta, with an important role in delimiting Ukrainian territorial waters.