Ferdinand, comte de Marsin (or Marchin) (February 10, 1656 – September 9, 1706) was a French general and diplomat, who was Marshal of France.

Marsin served in Flanders, and was wounded at the Battle of Fleurus (1690).

He took part in the Battle of Neerwinden and the siege of Charleroi.

In the War of the Spanish Succession, he was present at the Battle of Luzzara.

Imprisoned in the same city, he died a few days later.