Era
The Era as it passes Pontedera.
Location
Country	Italy
Physical characteristics
Mouth	Arno
• location	Pontedera
• coordinates	43°39′57″N 10°38′00″E / 43.6658°N 10.6334°E / 43.6658; 10.6334
Length	54 km (34 mi)
Basin features
Progression	Arno→ Tyrrhenian Sea

The Era is a river in Tuscany in Italy. It rises near Volterra and flows into the Arno river at Pontedera.

The Era is 54 km long, and its main tributaries are: (to the left) Cascina river, Ragone torrent, Sterza torrent, and (to the right) Capriggine torrent and Roglio torrent.

In 1966 the river flooded the town of Pontedera.