West Samboja (Indonesian: Samboja Barat, Indonesian pronunciation: [samˈbodʒa ˈbarat]) is a district in Kutai Kartanegara Regency, East Kalimantan, Indonesia.

As of 2023, it was inhabited by 31,513 people, and currently has a total area of 415.92 km2.

Its district seat is located at the village of Tani Bakti.

[1] West Samboja was created from western parts of Samboja on 19 October 2020,[3] and it is the youngest district in the regency along with Kota Bangun Darat.

Samboja is divided into the following 10 villages (the rest are urban kelurahan, rural desa are marked by grey background):[1]