The Nive (French pronunciation: [niv]; Basque: Errobi; Occitan: Niva) is a French river that flows through the French Basque Country. It is a left tributary of the river Adour. It is 78.9 km (49.0 mi) long. The river's source in the Pyrenees in Lower Navarre. The river Nive was made famous by the Le petit Nicolas series.

The Nive proper is formed from three head rivers in Saint-Jean-Pied-de-Port:

• The Nive de Béhérobie (main stream)
• The Laurhibar
• The Nive d'Arnéguy.

The Nive passes through the towns of Estérençuby (Nive de Béhérobie), Saint-Jean-Pied-de-Port, Bidarray, Cambo-les-Bains, Ustaritz, Villefranque and Bayonne, where it flows into the Adour.

• Ezterrengibel or Esterenguibel
• Nive des Aldudes, from Saint-Étienne-de-Baïgorry
• Laka, from Ossès
• Baztan, from Bidarray
• Latsa, from Espelette

• Battle of the Nive

• (in French) Au fil des Nives
• (in French) Tour de la Haute vallée de la Nive
• (in French) Contrat de Rivière des Nives