Provanna chevalieri is a species of sea snail, a marine gastropod mollusk in the family Provannidae.

[3] Provanna chevalieri is typically found in hydrothermal vent ecosystems in the deep sea.

[4] This species commonly occurs at methane seeps in deep water off the Congo River.

[5] Provanna chevalieri was first described by Warén and Bouchet in 1989 based on specimens collected from hydrothermal vents in the Pacific Ocean.

However, hydrothermal vent ecosystems face threats from deep-sea mining and climate change, which could impact species like P. chevalieri.