Thalang (Thai: ถลาง, pronounced [tʰā.lǎːŋ]); (Malay: Telong or Tanjung Salang (Jawi: تلوڠ / تنجوڠ سالڠ ) is a district (amphoe) in the north of Phuket province, Thailand.

To the north is Takua Thung of Phang Nga province, separated by the Pak Prah Strait.

The Khao Phra Thaeo Non-hunting Area protects more than 20 km2 of rainforest in the hills of the district.

Sirinat National Park on the northwestern coast was established in 1981 and protects an area of 90 km2 (68 km2 marine area), including Nai Yang Beach where sea turtles lay their eggs.

The main road is Highway 402, which runs from the Sarasin Bridge over the Pak Prah Strait to Phuket city.