Ten new species of Anthurium (Araceae) are described from Amazonian Peru. Nine of the species, A. carpishense Croat, A. cerrateae Croat & Lingán, A. debilipeltatum Croat, A. josei Croat, A. linganii Croat, A. longissimilobum Croat, A. pradoense Croat, A. puberulum Croat & Lingán, and A. timplowmanii Croat, are from a single area of high endemism in the southern Huallaga River Valley of Huánuco Department near Tingo María, and the area between Tingo María and La Divisora; and one species, A. pulcachense Croat, is endemic to an area in the middle Río Huallaga valley in San Martín, Peru.