The Tersmeden family, originally tor Smede, is a Swedish noble family of German descent, originally from Stade, Lower Saxony that rose to prominence in the 15th-century with Thomas tor Smede, founder of one of the most prominent trading companies in northern Germany.

[1][2] The family was elevated to noble rank in the Kingdom of Sweden in 1751,[3] and got introduced at the House of Nobility in 1752.

During the 19th century, the Tersmeden family possessed several ironworks,[4] where they made a fortune.

The family's wealth declined over the 20th century, once they had wound up their business interests in ironworks.

Prominent lineal descendants of Jacob Tersmeden include among many others: Prominent marriages into the family include, among many others: This is a dynamic list and may never be able to satisfy particular standards for completeness.