Urtica urentivelutina is a species of the genus Urtica (often referred to as nettles), found in Peru. This species is closely related to U. macbridei, but differs in its much denser and longer , especially on the stipules (subglabrous in U. macbridei) and the presence of stinging hairs on the of the female flowers. The leaves are densely and also irregularly between the veins, which is a character not found in other Peruvian species.
Its liana is tall from a ligneous rhizome approximately thick. Its stems are lax, with scattered stinging hairs between long and with a dense, white cover of simple trichomes long. Leaves are opposite, with interpetiolar stipules united in pairs but deeply incised, and completely covered with white simple trichomes appromately in length. Petioles are long, and their cystoliths are largely . Inflorescences are unisexual, while its fruit is ovate, approximately x , with a very short apex, largely included in the pubescent perigon.
The species is found in Sánchez Carrión Province in La Libertad in northwestern Peru. It is found in the remnants of cloud forest vegetation.