Christopher Kas (born 13 June 1980) is a retired German tennis player.

Kas has a career-high ATP singles ranking of world No.

Kas reached 20 double finals on the ATP Tour posting a record of 5 wins and 15 losses with an array of partners.

At the 2012 Summer Olympics, he finished in fourth place in mixed doubles alongside Sabine Lisicki.

[1] In 2022, Kas coaches German tennis player Jule Niemeier.