Kei Kobayashi (小林圭 Kobayashi Kei born c. 1978) is a French chef and owner of the restaurant Kei in Paris 1. His restaurant has earned three Michelin stars in 2020. He is the first Japanese chef earned three Michelin stars in France.
Kobayashi was born in Nagano. He elected to focus on French cuisine after viewing a documentary about Alain Chapel. Kobayashi trained at French restaurants in Japan before moving to France in 1998 to work with Gilles Goujon and Alain Ducasse.