Ernest Corominas i Vigneaux (1913 – 24 January 1992) was a Spanish-French mathematician.
In 1939 he fled to France, before moving to South America in 1940.
After working six months as an architect in Chile, he moved to Argentina, where Julio Rey Pastor offered him a lecturer position at the University of Buenos Aires.
Corominas returned to Europe, where he attained his doctorate at the University of Paris in 1952, under the supervision of Arnaud Denjoy.
He then lectured in Barcelona, Princeton, and Caracas, before settling in France at the University of Lyon.