The Delphi Inscription, or Gallio Inscription (IG, VII, 1676; SIG, II, 801d), is the name given to the collection of nine fragments of a letter written by the Roman emperor Claudius c. 52 CE and discovered early in the 20th century at the Temple of Apollo in Delphi, Greece.
The reconstructed inscription begins thus:
The reference to proconsul Gallio in the inscription provides an important marker for developing a chronology of the life of Apostle Paul by relating it to the trial of Paul in Achaea mentioned in the Acts of the Apostles ().