Kumho Tire Co., Inc. LSE: KHTC, formerly known as Samyang Tire, is a South Korean tire company. Headquartered in Gwangju, South Korea, it is a subsidiary of the Kumho Asiana Group, along with Asiana Airlines, South Korea's second largest airline.

An industrial conglomerate chaebol, Kumho Tire manufactures a full range of tire under the Kumho and Marshal brands.

Kumho Tire runs three manufacturing facilities in South Korea: the Pyeongtaek Plant, the Gokseong Plant and the Gwangju Plant which includes the Kumho Research and Development center mentioned below. There are a further three plants in China: the Tianjin Plant, the Gaoxin Plant (in Nanjing) and the Changchun Plant. There is also one plant in Vietnam in the Binh Duong Province.

Kumho Tire exports tires worldwide and has a global network of sales organizations.

It has three centers for research and development, with the largest in Gwangju, South Korea. The other two centers are in Akron, Ohio and Birmingham, England. These service the US and European tire markets respectively. Other research centers are located in Buchholz (Germany) and Tianjin (China).

In 2007, Kumho became a Platinum Partner of the Manchester United Football club. The company is classed as an Official Club Sponsor. In partnership with Manchester United, Kumho launched a "Play Safer^] campaign designed to increase youth road safety awareness.

The company also sponsors other motoring events such as European Formula 3 racing.

On February 13, 2014, Darren Rovell of ESPN announced on his Twitter page that Kumho was named the official tire of the NBA.

Kumho Tire is one of the sponsors of the La Liga.