Wonderboom (meaning "wonder tree" in Afrikaans) may refer to:
- Wonderboom (tree) a particular grove of Ficus salicifolia north of Pretoria, and eponym of:
- Ficus salicifolia, a species of fig
- Wonderboom Nature Reserve, containing the grove
- Wonderboom, Pretoria, a suburb just north of the nature reserve
- Wonderboom South, Pretoria, a suburb south of the nature reserve
- Wonderboom Airport, an airport in the region
- Die Wonderboom, an unusually shaped Boscia oleoides (Karoo shepherd's tree) beside the N9 at Willowmore, Eastern Cape
- Wonderboom (band), a South African rock band from Johannesburg