Tenzing Norbu Thongdok is an Indian politician from the North Eastern state Arunachal Pradesh.

Prior to entering politics he was Chief Engineer in PWD, Government of Arunachal Pradesh and retired from service as Secretary to Government of Arunachal Pradesh.

On being elected as Member of legislative Assembly he was appointed Principal Advisor to Chief Minister and Parliamentary secretary for PWD.

Later, on his second term in Arunachal Pradesh Legislative Assembly, he was elected unopposed as Deputy speaker in 2014.

Presently he is the Speaker of Arunachal Pradesh Legislative assembly.