Paul R.A. De Giberne Sieveking (born 1949) is a British journalist and former magazine editor.
Until 2002, Sieveking was co-editor of the magazine The Fortean Times with its founder Bob Rickard. He joined the UK-based "Journal of the Unexplained" in 1978. His father, Lancelot "Lance" De Giberne Sieveking was an early BBC radio and television drama pioneer, and his half-brother Gale De Giberne Sieveking was an archaeologist.