The Luhan or Lugan (Ukrainian: Лугань; Russian: Лугань), also known as the Luhanka or Luganka (Луганка), is a river in the Donbas region of Ukraine, a right tributary of the Seversky Donets, in the basin of the Don.

It is 198 kilometres (123 mi) long, and has a drainage basin of 3,740 square kilometres (1,440 sq mi).

[1] The city of Luhansk, which stands where the river Vilkhivka [uk] flows into the Luhan, took its name from the river.

The Luhan river rises in the eastern part of Horlivka in Donetsk Oblast.

[citation needed] This article related to a river in Ukraine is a stub.