Alsophila dregei, synonym Cyathea dregei, (common tree fern or gewone boomvaring in Afrikaans) is a widespread species of tree fern in southern Africa. Within South Africa, it co-occurs with the indigenous forest tree fern (A. capensis) and the invasive Sphaeropteris cooperi from Australia. Further north, outside of South Africa, it coexists with an additional two tree fern species, A. manniana and .