Lam Thap (Thai: ลำทับ, pronounced [lām tʰáp]) is a district (amphoe) of Krabi province, southern Thailand.

The minor district (king amphoe) Lam Thap was established on 30 June 1984, when the two tambons Lam Thap and Din Udom were split off from Khlong Thom district.

[2] Neighboring districts are (from the west clockwise): Khlong Thom and Khao Phanom of Krabi Province; Thung Yai and Bang Khan of Nakhon Si Thammarat province; and Wang Wiset of Trang province.

The district is divided into four sub-districts (tambons), which are further subdivided into 27 villages (mubans).

Lam Thap is a township (thesaban tambon) and covers parts of tambons Lam Thap and Thung Sai Thong.