Wolmaransstad (Afrikaans maka "Wolmarans City") bụ obodo na-akọ ugbo ọka nke dị na N12 n'etiti Johannesburg na Kimberley na North West Province nke South Africa. Obodo a dị n'ebe dị mkpa a na-egwupụta diamond ma ọ bụ isi obodo nke Maquassi Hills Local Municipality.
Obodo 245 km ndịda-ọdịda anyanwụ nke Johannesburg na 56 km n'ebe ugwu-ọwụwa anyanwụ nke Bloemhof. E debere ya na ugbo Rooderand na Vlakfontein na 1888, ma kpọsaa obodo na 1891. Aha ya bụ Jacobus M. A. Wolmarans, onye so na Council Executive.
Wolmaransstad malitere na 1891 n'akụkụ osimiri Makwasi (San word for a kind of spearmint ọhịa) wee wepụta aha ya n'aka J. M. A. Wolmarans, onye kansụl volksraad.
Wolmaransstad na-ejere nnukwu obodo ozi ma bụrụkwa ebe dị mkpa na-azụ ahịa diamond.