Tallis Obed Moses (born 24 October 1954) is a Vanuatuan politician and pastor who served as the president of Vanuatu from 6 July 2017 to 6 July 2022.^[3]

Moses was originally from Port Vato, West Ambrym.^[1] He attended Primary School from 1964 to 1967. He later worked for the Teaching Service as a teacher in various schools,^[4] before attending the Tangoa Presbyterian Bible Institute in South Santo in 1978.^[1] He studied at the Sydney Missionary and Bible College in Australia from 1980 to 1981 and graduated with Diploma in Divinity and Mission.^[4] He later studied at Talua Ministry Training Centre between 1985 and 1986, graduating with a Diploma in Theology. He went back to Australia in 1989 and studied at the Alan Walker College of Evangelism, where he graduated in 1989 with Certificate of Merit.^[5]

Moses also served as a pastor at Erromango, Ranon in North Ambrym, Luganville and Bamefau. In 2009 and again in 2013, he was elected moderator of the Presbyterian Church of Vanuatu^[4] after he received religious training and education in Australia and Papua New Guinea.

On 6 July 2017 he was elected to succeed President Baldwin Lonsdale who had died in office.^[6] He was chosen among 16 candidates after four rounds of voting (received 40 votes out of 57 from the Electoral College) and sworn in immediately after.