Dmytro Ivanovych "Da Vinci" Kotsiubailo (Ukrainian: Дмитро Іванович "Да Вінчі" Коцюбайло; 1 November 1995 – 7 March 2023) was a Ukrainian volunteer, soldier, lieutenant, a commander of the 1st Mechanized Battalion of the Armed Forces of Ukraine.

Kotsiubailo was the youngest battalion commander in the history of the Ukrainian Army.

In 2014, he was wounded in Pisky, Donetsk Oblast, and returned to the front after recovery.

President Volodymyr Zelenskyy said in his video address: "Today, 'Da Vinci', a Hero of Ukraine, a volunteer, a man-symbol, a man of courage, Dmytro Kotsiubailo, was killed in action.

[7] On 20 December 2023 the Dnipro City Council renamed a part of Dnipro's central avenue Dmytro Kotsiubailo Avenue [uk; ru; de] in honor of Kotsiubailo.