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 father was Farrell Óg Ó hUiccinn. 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." His surname is now anglicised Higgins. His sister, Elec Ní hUicinn, was murdered in 1471. 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. chart., a.d. i 726-1750. h. 4. 4).