Petrus Kanisius Ojong (25 July 1920 – 31 May 1980), better known as P. K. Ojong,[1] was an Indonesian journalist and businessman who was one of the founders of Kompas Gramedia Group, Indonesia's largest conglomerates and Kompas, one of Indonesia's most circulated daily newspapers, together with Jakob Oetama.

He belonged to the Minnan (Hokkien) ethnic group with ancestry from Kinmen (Quemoy) island.

Since childhood, his father, Auwjong Pauw, always taught him to be disciplined, economical, and hard working.

[1] During this time he was introduced to Catholic teachings, and finally converted to Catholicism and received the baptismal name of Andreas.

[5] His career as teacher was ended when Japan attacked Indonesia and closed all the existing schools at that time.

[6] PK Ojong actively took part in a social organization called Sin Ming Hui,[1] which was established by Khoe Woen Sioe and Injo Beng Goat.