Grubbia is a genus of flowering plants in the family Grubbiaceae. The genus has three species, all endemic to the Cape Floristic Region of South Africa. They are shrubs that grow to 1.5 m (4.9 ft) tall, with tiny flowers and slender, leathery leaves. The fruit is a syncarp. Grubbia was named by Peter Jonas Bergius in 1767 in a Swedish journal entitled Kongliga Vetenskaps Academiens Handlingar. The generic name honors the Swedish botanist Michael Grubb.