塞萨洛尼基的德米特里

Saint Demetrius of Thessaloniki
12th-century mosaic depicting St Demetrios, from the Golden-Roofed Monastery in Kiev
Great-Martyr, Myrrh-streamer
出生	270 A.D.
逝世	306 A.D.
敬奉於	Eastern Orthodox Church Roman Catholicism
朝聖地	Thessaloniki, Greece
慶節	26 October
象徵	depicted wearing the armour of a Roman soldier, usually carrying a spear, often seated on a red horse
主保	patron of Thessaloniki, Greece patron of soldiers patron of the Crusades (in Roman Catholic tradition only)

圣德默特琉（希腊语：Άγιος Δημήτριος της Θεσσαλονίκης，拉丁语：Sanctus Demetrius Thessalonicensis）是一位基督教殉教者，生活在4世纪早期。

中世纪时他被尊为天主教和東正教最重要的军人圣人之一，常与圣乔治相比较。他的宗教节日是公历10月26日。