Saint Mark, or Mark the Evangelist, is the traditional author of the Gospel of Mark.

Saint Mark may also refer to:

• Pope Mark (died 336), Pope from January 18 to October 7, 336
• Sts. Mark and Marcellian (died c. 286), martyrs venerated as saints
• St. Mark of Aeca [it] (died c. 328), a Catholic bishop commemorated on November 5
• St. Mark of Ephesus, an Eastern Orthodox bishop commemorated on 19 January
• St. Mark the Ascetic, a Christian hermit commemorated on 20 May
• St. Mark Ji Tianxiang (died 1900), one of the Martyr Saints of China

• St. Mark Coptic Orthodox Church (Jersey City, New Jersey), U.S.
• St. Mark Coptic Orthodox Church (Los Angeles), California, U.S.
• Saint Mark Parish, Dominica
• Saint Mark Parish, Grenada

• Saint Mark (Donatello)
• Saint Mark (Mantegna)
• Saint Mark (Tzanes)

• St. Mark's (disambiguation)
• Saint-Marc (disambiguation)
• San Marco (disambiguation)
• Sveti Marko (disambiguation)