Montres Corum Sàrl, commonly referred to as Corum, is a Swiss watchmaker based in La Chaux-de-Fonds, Canton of Neuchâtel. Founded in 1955, it makes high-quality and high-price watches, many of which are limited editions. The benchmark watch series for Corum is its "Admiral's Cup" series. The company is owned by Hong Kong-based Citychamp Watch & Jewellery Group Limited together with Eterna. Both of these Swiss watch companies are managed by a management committee composed by Yeznig Magdhessian, Soon Boon Chong & Maxime Ranzoni.

Corum was also the maker of the World Series of Poker watches that accompanied the World Series of Poker bracelet in 2007, and became the maker of the bracelets themselves in 2007.