Mark may refer to:
- Mark, a name for various currencies.
- Bosnia and Herzegovina convertible mark, current currency of Bosnia and Herzegovina.
- Cologne mark, a currency standard.
- Danzig mark, currency of the Free City of Danzig from 1922 to 1923.
- Deutsche Mark, currency of Germany from 1990 to 2001.
- East German mark, currency of East Germany from 1948 to 1990.
- Estonian mark, currency of Estonia from 1918 to 1928.
- Finnish markka (mark), currency of Finland from 1860 to 2002.
- German gold mark, currency of the German Empire from 1873 to 1914.
- German ostmark, currency of Ober Ost in 1918.
- German Papiermark, currency of the German Empire and Weimar Republic from 1914 to 1923.
- German Reichsmark, currency of the Weimar Republic and Nazi Germany from 1924 to 1948.
- German Rentenmark, currency of the Weimar Republic from 1922 to 1923.
- German South West African mark, currency of German South West Africa from 1884 to 1915.
- Hamburg Mark, currency of Hamburg until 1873.
- New Guinean mark, currency of German New Guinea from 1884 to 1915.
- Polish marka, currency of the Kingdom of Poland and the Republic of Poland from 1917 to 1924.
- Saar mark, currency of Saar in 1947.
- South West African mark, currency of South-West Africa from 1916 to 1918.
- Merk, a coin from Scotland.
- Mint mark, an inscription on a coin that indicates where the coin was minted.