|Named By:||O. V. Mateus, P. D. Mannion & P. Upchurch in 2014|
|Time Period:||Late Jurassic|
|Location:||Portugal - Lourinha Formation|
|Size:||Currently unknown due to lack of fossil remains|
|Fossil(s):||Partial postcranial remains|
|Classification:||| Chordata | Reptilia | Dinosauria | Saurischia | Sauropoda | Turiasauira ||
Zby is an extinct genus of turiasaurian sauropod dinosaur known from the Late Jurassic (late Kimmeridgian stage) of the Lourinha Formation, central west Portugal. It contains a single species, Zby atlanticus. It is named after Georges Zbyszewski, who studied the geology and paleontology of Portugal.