Maatia Toafa OBE (born 1 May 1954) is a Tuvaluan politician, representing Nanumea who served two non-consecutive terms as Prime Minister of Tuvalu.
He first served as Prime Minister from 2004 to 2006, from the resignation of his predecessor, Saufatu Sopoanga, until the defeat of his Cabinet in the 2006 general election.
He was re-elected to parliament in the 2010 general election; and regained the premiership on 29 September 2010; however he lost the support of the parliament following a motion of confidence on 21 December of the same year.
On 5 August 2013 Toafa became the Minister of Finance and Economic Development in the government of Prime Minister Enele Sopoaga.
He was appointed as Deputy Prime Minister following the 2015 Tuvaluan general election.
He was not re-elected in the 2019 general election.Prior to entering domestic Tuvaluan politics, Toafa worked for the Pacific Islands Forum Secretariat in Suva, Fiji.