"Oi u luzi chervona kalyna..." (eng. "Oh, the Red Viburnum in the Meadow...") is a Ukrainian song written by the famous poet and theater director Stepan Charnetsky in 1914 for Vasyl Pachevsky's tragedy about Hetman Doroshenko "The Sun Ruins". After the outbreak of the First World War, the Sich Streltsy (Ukrainian national military formation in the Austro-Hungarian army) often used it as a military march and it became a folk song. Later it was adopted by the Ukrainian People's Army during the Ukrainian War of Independence in 1917-1921. Eventually, following the Russia's invasion of Ukraine in February 2022, "Oi u luzi chervona kalyna ..." became one of the symbols of Ukraine's resistance.

The red viburnum (kalyna in Ukrainian) is a deciduous shrub that is referenced throughout Ukrainian folklore. The red viburnum has a unique national appeal, and the silhouette of it is depicted along the edges of the flag of the President of Ukraine.

Many Ukrainian and foreign artists perform this song to express solidarity, while Russian state media call the song "the anthem of Ukrainian nationalist formations", and the Russian government brings administrative responsibility for the mere mention of it.