Ivan Feodosiyovych Korsak (Ukrainian: Iва́н Феодо́сійович Ко́рсак; 15 September 1946 – 7 December 2017) was a Ukrainian writer and journalist. He was best known as chief editor of the newspaper Simya i Dim. He was also worked at newspapers such as Radyans'ke Polissya, Narodna trybuna and Literary Ukraine. He was born in Zabolottya, Volyn Oblast.
Korsak died on 7 December 2017 in Lutsk, Volyn Oblast, at the age of 71.[1]