This is a list of surnames in which the starting sequence is marc.
MarchandEnglish, French Occupational name meaning "merchant", ultimately from Latin mercari "to trade".
MarchegianoItalian From the name of the Marche region in Italy, derived from Late Latin marca meaning "borderland". It was the real surname of the American boxer Rocky Marciano (1923-1969), who was born Rocco Marchegiano.
MarchesiItalian From the Italian title marchese meaning "marquis". It was probably a nickname for a person who behaved like a marquis or worked in the household of a marquis.