What is "kashtan"

Kashtan is a surname. Notable people with the surname include:

• Dror Kashtan (born 1944), Israeli footballer and manager
• William Kashtan (1909–1993), general secretary of the Communist Party of Canada

In Russian, the word "Kashtan" (Каштан) means " chestnut". Kashtan is also the name of a Russian anti-air system mainly used on naval ships or stationary turrets.