Samuelu Penitala Teo is a Tuvaluan politician. He is the son of Sir Fiatau Penitala Teo who was appointed as the first Governor General of Tuvalu (1978–1986) following independence from Great Britain. Samuelu Teo himself served as the Acting Governor-General of Tuvalu from January until 28 September 2021. He had succeeded Acting Governor-General Teniku Talesi and remained in office until the Rev. Tofiga Vaevalu Falani was sworn in as the 10th Governor-General in September 2021.