The yellow-chinned spinetail (Certhiaxis cinnamomeus) is a passerine bird found in the tropical New World from Trinidad and Colombia south to Argentina and Uruguay. It is a member of the South American ovenbird family Furnariidae.
The yellow-chinned spinetail is typically 15 cm long, and weighs 15 g. It is a slender bird with a long tail. The upperparts and head are chestnut brown, and the underparts are whitish apart from the pale yellow throat. The sexes are similar, but there are several subspecies, differing in forecrown colour or upperparts tone.
Its call is a shrill rattling.