Spinivalva is a genus of moths in the Gracillariidae family. It contains only one species, Spinivalva gaucha, which is found in Brazil. The length of the forewings is 2.78–3.61 mm. The forewings are mostly covered by dark-grey scales. There is a narrow stripe of white scales along the posterior margin. A zigzag edge, formed by short, oblique white fascia, separates this stripe from the remaining, mostly dark-grey area. The hindwings are completely covered by dark-grey scales.