Sturnira koopmanhilli is a species of leaf-nosed bat found in South America.
Males have a forearm length of 49.2–52.4 mm (1.94–2.06 in), while females have a forearm length of 48.1–52.2 mm (1.89–2.06 in). Additionally, males weigh 30.0 g (1.06 oz), while females weigh 25.5–31.5 g (0.90–1.11 oz).It has a dental formula of 2.1.2.32.1.2.3 for a total of 32 teeth.
S. koopmanhilli has been documented in Ecuador and Colombia.It has been documented at a range of altitudes, from 300–2,000 m (980–6,560 ft) above sea level.
As of 2016, it is evaluated as a data deficient species by the IUCN.It meets the criteria for this designation because basic details of its biology and ecology are yet unknown. The extent of its geographic range is also poorly understood, as are any threats that it may be facing.It is possibly impacted by the deforestation of the Tumbes-Chocó-Magdalena region, though.