**Ernesto Lupercio** is a Mexican mathematician. He was awarded the ICTP Ramanujan Prize in 2009, "for his outstanding contributions to algebraic topology, geometry and mathematical physics."

Lupercio earned a Ph.D. from Stanford University in 1997 under the guidance of Ralph L. Cohen.

E. Lupercio; B. Uribe, "Gerbes over orbifolds and twisted K-theory", *Communications in Mathematical Physics*, 2004.
T. Fernex; E. Lupercio; T. Nevins; B. Uribe, "Stringy Chern classes of singular varieties", *Advances in Mathematics*, 2007.
E. Lupercio; M. Poddar, "The global McKayâ€“Ruan correspondence via motivic integration", *Bulletin of the London Mathematical Society*, 2004.