Janneh is a surname. Notable people with the surname include:
Abdoulie Janneh, Gambian diplomat and economist Amadou Scattred Janneh (born 1962), Gambian politician Gibril B. Semega-Janneh, Gambian judge Jocelyn Janneh (born 2002), Sierra Leonean footballer Karamba Janneh (born 1989), Gambian footballer Saikou Janneh (born 2000), Gambian footballer