Lasteika (Greek: Λαστέικα, also: Λασταίικα Lastaiika) is a village and a community in the municipality of Pyrgos, Elis, Greece.
It is situated at the foot of a low hill, 4 km northwest of the centre of Pyrgos.
It is 2 km southwest of Agios Georgios, 2 km northeast of Vytinaiika, and 3 km southwest of Prasino, in the municipal unit Iardanos.
The Greek National Road 9/E55 (Patras - Pyrgos) passes southwest of the village.
The community consists of the villages Lasteika and Itia.