Saint Saturnin of Toulouse (Latin: Saturninus, Occitan: Sarnin, French: Saturnin, Sernin, Catalan: Serni, Sadurní, Galician: Sadurninho and Portuguese: Saturnino, Sadurninho, Basque: Satordi, Saturdi, Zernin, and Spanish: Saturnino, Serenín, Cernín), with a feast day entered for 29 November, was one of the "Apostles to the Gauls" sent out (probably under the direction of Pope Fabian, 236–250) during the consulate of Decius and Gratus (250–251) to Christianise Gaul after the persecutions under Emperor Decius had all but dissolved the small Christian communities. St Fabian sent out seven bishops from Rome to Gaul to preach the Gospel: Saint Gatien to Tours, Saint Trophimus to Arles, Saint Paul to Narbonne, Saint Saturnin to Toulouse, Saint Denis to Paris, Austromoine to Clermont, and Saint Martial to Limoges.

Saint Saturnin
The Martyrdom of Saint Saturnin, from a 14th-century manuscript
Apostle to the Gauls
Bishop and Martyr
Bornthird century
Patras, Greece
Diedc. AD 257
Toulouse, Gaul (modern-day France)
Venerated inRoman Catholic Church Eastern Orthodox Church
Major shrineBasilique St-Sernin, Toulouse
Feast29 November
AttributesA bishop's mitre, a bishop being dragged by a bull, a bull
PatronageToulouse, France