"Santi" is a brand name used by several different companies, each with its own distinct focus. There is no single global brand that uses this name.

One of the most prominent uses of the name is for Santi Diving Equipment, a company that specializes in high-quality drysuits and thermal undersuits for divers. Founded by a diver himself, the brand is known for its focus on safety, comfort, and technical innovation, and it has gained a strong international reputation among professional and recreational divers.

Another brand is I Santi, an Italian company famous for its fine leather goods. Founded in 1947 in Milan, the brand is known for its handbags, wallets, and accessories that are crafted with a special focus on traditional "Made in Italy" production, high-quality materials, and timeless design. The brand has a history of exporting Italian craftsmanship globally, especially through its presence in major international airports.

Additionally, "Santi" is a brand of clutches and evening bags, often distinguished by their intricate beading and embellished designs. These handbags are typically found at luxury retailers and are known for being elegant accessories for special occasions.