Eastern Andes in eastern Ecuador, eastern Peru and central and south-eastern Bolivia to south-western Brazil (western Mato Grosso) and north-western Argentina.
 
Population
Estimated population is unknown (2010).
Many-spotted Hummingbird (Taphrospilus hypostictus) [XC762421]
by Richard E. Webster from Valley in Cordillera Escalera, San Martin, Peru (flight call)
Many-spotted Hummingbird (Taphrospilus hypostictus) [XC33261]
by Dusan M. Brinkhuizen from San Pedro, Manu Road, Cusco, Peru (call)
Subspecies
Sometimes placed in monospecific genus Taphrospilus. Alternatively, in past, sometimes placed with Spot-throated Hummingbird (Leucippus taczanowskii) and Olive-spotted Hummingbird (Leucippus chlorocercus) in Talaphorus.
Proposed subspecies peruvianus fits well into overall pattern of variation within the species, so subspecific status cannot be maintained.