Sean mac Fergail Óicc Ó hUiccinn (died 1490) was an Irish poet.
Ó hUiccinn was an Irish poet who held the post of Chief Ollam of Ireland.
His obituary is given in the Annals of the Four Masters as follows: "M1490.16 O'Higgin, i.e. John, the son of Farrell Oge, Chief Poet of Ireland, died."
He had at least one other sibling, Niall mac Fergal Óge Ó hUicinn, who died in 1461.
A manuscript held in Trinity College Library, Dublin has a poem by John O'Higgin on page 141, commencing "Cia cenncup" (1346 4to, min.