Peter Clift is a British marine geologist and geophysicist specializing in the geology of Asia and the western Pacific.

In particular, he works on understanding the relationships between mountain building in the Himalaya and Tibet Plateau and the intensification of the Asian monsoon.

A project funded by the Leverhulme Trust allowed his to show that the reorganisation of rivers in SW Asia greatly predated the collapse of the Indus Valley civilization.

[7] He is involved with efforts to have the Integrated Ocean Drilling Program collect samples in the Asian marginal seas for monsoon studies.

His father, Donald W. Clift, also a native of Ware, worked for BP, including in Beijing, China for five years.