Antun Pejačević von Virovitica (German: Anton Pejatschewitsch von Virovitica; Bulgarian:[1]Антун Пеячевич; Serbian: Антун Пејачевић; 4 September 1749 – 25 September 1802) was a Croatian Austrian nobleman, politician, and military from the House of Pejačević.
He was a lieutenant field marshal in the Habsburg army, a grand captain of Požega, and a patron and an entrepreneur.
His name and the name of his wife are frequently mentioned in connection with the glass manufacturing industry and trade in the region.
His grandfather Marko II Pejačević (1664–1727) was born in Tschiprowzi in Bulgaria before he settled in Eastern Slavonia.
He was of the Eastern Orthodox faith before converting to Roman Catholicism when he joined the Imperial-Royal Army.