The Remi were a Belgic tribe of north-eastern Gaul in the 1st century BC. They occupied the northern Champagne plain, on the southern fringes of the Forest of Ardennes, between the rivers Mosa (Meuse) and Matrona (Marne), and along the river valleys of the Aisne and its tributaries the Aire and the Vesle.
They were surrounded on all sides by friendly Belgic states, and their tribal capital was at Durocortum (Reims, France) the second largest "oppidum" of Gaul, on the Vesle. Allied with the Germanic tribes of the east, they repeatedly engaged in warfare against the Parisii and the Senones. They were renowned for their horses and cavalry. The Remi, under Iccius and Andecombogius, allied themselves with Julius Caesar and remained loyal to him throughout the entire Gallic Wars, the most pro-Roman of all the peoples of Gaul.