Thanh Hai Ngo (Vietnamese: Ngô Thanh Hải; born January 3, 1947) is a retired Canadian politician who served as a senator from Ontario between 2012 and 2022.

A member of the Conservative Party, Ngo was appointed to the Senate on the advice of Prime Minister Stephen Harper.

[1] He immigrated to Canada after the Fall of Saigon in April 1975.

Senator Ngo has been very concerned with allegations of abuse of human rights in Vietnam.

[2] He has a Bachelor of Arts (Honors) from the University of Paris and Bachelor and a Master of Education from the University of Ottawa.