Ernesto José Viso Lossada (born March 19, 1985) is a Venezuelan race car driver. He is commonly referred to as Ernesto Viso or, since his move to American racing, E. J. Viso.
Viso was born in Caracas, Venezuela. He has raced in the 2005 and 2006 GP2 Series seasons, and has also driven the third car for Spyker MF1 Racing. In 2007 he competed in the GP2 Series for Racing Engineering. He currently drives for KV Racing Technology in the IndyCar Series.