Vasek is a common name in various cultures, often used as a diminutive form of Václav, which is of Czech origin. The name is popular in countries like the Czech Republic and Slovakia. It can also be found in other Slavic regions, where it may carry different meanings or variations. In addition to being a personal name, Vasek can refer to notable individuals, such as Vasek Pospisil, a professional tennis player from Canada. He has competed in various international tournaments and is known for his doubles performance, contributing to the sport's popularity.