Jonathan Fiifii'i MBE (1921 – October 1989) was a Kwaio from Ane'emae near Oloburi, Malaita, Solomon Islands.
Fiifii'i was a founding member of Maasina Ruru, the independence movement that he started in 1945 with Nori and Aliki Nono'oohimae, whom he met while serving in the Solomon Islands Labour Corps during World War II.
After being arrested and held by the British administration as a political prisoner, he was released and continued to be involved in politics, beginning with the Subdistrict Committee in Ngarinaasuru.
[1] In 1976 he was elected to the Legislative Assembly (into which the Governing Council had been transformed in 1974) from the East Kwaio constituency.
In 1982, he wrote his autobiography, From pig-theft to parliament, which was translated and edited by Roger Keesing.