Emilio (Emi) Grau Sala (1911, Barcelona - 1975, Paris) was a Catalan painter. He studied at the . With his wife Ángeles Santos Torroella he fled to Paris at the outbreak of the Spanish Civil War. He was a famous colorist (oil painting, watercolor and pastel) and illustrator. In the French Salon "Comparaisons", he was a member of the group of Maurice Boitel.