Rà «jiena (; ; ) is a town in Valmiera Municipality, in the Vidzeme region of Latvia. As of 2017 its population was 3,007.
The town is located in northern Latvia, near the border with Estonia, in the historical region of Vidzeme (anciently part of Livonia). It is from Valmiera, from Pärnu and from Riga.
Rà «jiena has a humid continental climate (Köppen Dfb).
In 2021, the town had 2,725 inhabitants, 95% of whom were Latvians.