Auguste Rateau (French pronunciation: [oɡyst ʁato]; 13 October 1863 – 13 January 1930) was an engineer and industrialist born in Royan, France, specializing in turbines.

He manufactured fans for mines, blowers for steel mills, water pumps, and steam turbines for ships.

To this end, he created a design office in Paris and, in 1903, the Société pour l’exploitation des appareils Rateau, which moved in 1917 to La Courneuve where he opened a factory two years later.

This entity manages the maintenance of turbomachines, turbo-pumps and turbocompressors installed on nuclear, thermal and industrial sites in France and in some parts of the world.

In 1928 he founded the Association Française de Normalisation, the French national organization for standardization, and served as president.