Denis Francis Jones was an Irish Fine Gael politician. A school teacher by profession, he was an unsuccessful candidate at the December 1955 by-election. He was elected to Dáil Éireann as a Fine Gael Teachta Dála (TD) for the Limerick West constituency at the 1957 general election. He was re-elected at each subsequent general election until he retired from politics at the 1977 general election. He served as Leas-Cheann Comhairle of the Dáil from 1967 to 1977, and Fine Gael spokesperson for education.