Henry Thambiah, Sri Lankan lawyer, judge, and diplomat, Sri Lankan High Commissioner to Canada (d. 1997)

Deshamanya Justice Henry Wijeyakone Thambiah (also spelt Tambiah) (1906–1997) was a Ceylonese academic, diplomat, lawyer and judge, born in Sri Lanka during British colonial rule. He was a Commissioner of Assize, High Commissioner and judge of the Supreme Courts of Ceylon and Sierra Leone.