What is "balck"

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

• Heike Balck (born 1970), retired German high jumper
• Hermann Balck (1893–1982), general in Nazi Germany's Wehrmacht
• Viktor Balck (1844–1928), Swedish officer and sports personality, and one of the original members of the International Olympic Committee
• William Balck (1858–1924), general in German Army