Cát Tiên is a district (huyện) of Lâm Đồng province in the Central Highlands region of Vietnam.

As of 2003 the district had a population of 41,706[1] and includes the historic centre with one of the greatest concentrations of the Mạ people.

It borders Đăk R'Lấp in Đắk Nông province to the north, Bù Đăng in Bình Phước province to the northwest and west, Tân Phú District, Đồng Nai in the south, and Đạ Tẻh and Bảo Lâm in the east.

The Đa Dâng River is the northern, southern and western boundary of the district.

The district consists of small mountains and hills as the Central Highlands dissipates into plains.