Baby [ˈbabɨ] is a village in the administrative district of Gmina Moszczenica, within Piotrków County, Łódź Voivodeship, in central Poland. It lies approximately 4 kilometres (2 mi) north of Moszczenica, 15 km (9 mi) north of Piotrków Trybunalski, and 33 km (21 mi) south-east of the regional capital Łódź.

The village was the site of a 2011 train derailment in which one passenger was killed and 81 injured.