The Khatanga (Russian: Хатанга) is a river in Krasnoyarsk Krai in Russia. The river is navigable. The river port of Khatanga is located on the river.

It begins at the confluence of the rivers Kotuy and Kheta. The Khatanga is 227 km (141 mi) long (1,636 km (1,017 mi) including its headwater Kotuy); the area of its basin is 364,000 km (141,000 sq mi). It flows into the Khatanga Gulf of the Laptev Sea, forming an estuary. There are more than 112,000 lakes, with a total surface area of 11,600 square kilometres (4,500 sq mi), in the basin of the river.

The Khatanga freezes up in late September–early October and breaks up in early June. Its main tributaries are the Nizhnyaya, Bludnaya, Popigay, Novaya, and Malaya Balakhnya.

The Khatanga teems with different kinds of fish, including ryapushka, omul, muksun, white salmon, taimen, loach, among others.

Russian fur traders first reached the Khatanga about 1611.

• List of largest unfragmented rivers
• Katanga, name for the upper course of the river Podkamennaya Tunguska

• Media related to Khatanga River at Wikimedia Commons