Ilex theezans, also I. theæzans and I. theazans, is a species of the genus Ilex in the family Aquifoliaceae, native to Brazil and typically found in its Atlantic Forest.

In Brazil, it is sometimes called orelha-de-mico; but is more often simply known as congonha ("holly") or caúna (along with I. dumosa.

The species includes the subspecies I. theezans hieronymiana; the varieties I. theezans var.

acrodonta, augusti, fertilis, gracilior, grandifolia, leptopylla, pachypylla, typica, and warmingiana; and the forms I. theezans f. glabra and puberula.

This holly-related article is a stub.