The striolated manakin or western striped manakin (Machaeropterus striolatus) is a small South American species of passerine bird in the family Pipridae.

The striolated manakin was described by the French naturalist Charles Lucien Bonaparte in 1838 and given the binomial name Pipra striolata.

[3] Five subspecies are recognised:[4] The morphologically similar painted manakin from northern Peru was described in 2017.

[5] The striolated manakin is 9–9.5 cm (3.5–3.7 in) in length and weighs around 9.4 g (0.33 oz).

The male of the nominate race is olive green above with a red crown and nape.