Wonderboom is a northern residential suburb of Pretoria, South Africa. The suburb includes the Wonderboom Nature Reserve site of the famous Wonderboom (Afrikaans for "Marvel tree" or "Wonder tree"), on the northern slopes of the Magaliesberg mountains, just east of the Apies River. Neighbouring suburbs are Annlin to the west, Sinoville to the north and east and Wonderboom South to the south.

Schools in the suburb include Hoërskool Wonderboom, Hoërskool Overkruin, Laerskool Wonderboom and Northridge Primary School.