Leonardo Antonio Olivieri or Oliviero (23 February 1689 – 7 June 1752) was an Italian painter of the late-Baroque.
A St Peter Martyr in Glory is on display in the collections of the Pinacoteca Corrado Giaquinto in Bari.
A Vision of St Francis of Assisi at the Museo Diocesano of Taranto is attributed to Olivieri.
he painted a Madonna dei Pellegrini (1725) for Santa Maria Mater Domini and in the monk's choir of San Gregorio Armeno of Naples.
He painted a Madonna and Child with young St John, now in the Pinacoteca Provinciale of Salerno.