Shanmugalingam

Shanmugalingam is a surname and given name, commonly used in Sri Lanka. Notable people with the name include:
Surname:

Kulanthai Shanmugalingam, Sri Lankan Tamil theatre artist and playwright
N. Shanmugalingam, Sri Lankan Tamil sociologist
Jo Shanmugalingam, British civil servant

Given name:

Pottu Amman (Tamil militant), a Sri Lankan Tamil rebel