The Nalu, also called Nalo, Nanum, or Nanu,[2] are a West African ethnic group found in Guinea and Guinea Bissau.

They speak the Nalu language.

They have been described as "pre-Mandingas", as they settled in the region before the arrival of the Mandé peoples.

[3]: 6  In this context Walter Rodney places them alongside the Landuma, the Baga, and the Temne peoples.

[3] The Simo is a West African secret society which is active among the Nalu and related groups.