Per-Ove Poul Ljung (18 May 1918 – 31 May 1997) was a Swedish Army lieutenant general.
His senior commands include chief of the Army Staff and the General Staff Corps, Master-General of the Ordnance, head of the Royal Swedish Army Materiel Administration, military commander of the Eastern Military Area (Milo Ö) and Commandant General in Stockholm.
Ljung retired from the military in 1974 and then served as Director General of the Defence Materiel Administration from 1974 to 1982.