Kerstin Gressmann (born 17 January 1994 in Swakopmund) is a Namibian tennis player.
Playing for Namibia at the Fed Cup, Gressmann has a win-loss record of 4-6.
Gressmann began playing tennis at age 8. In 2007, she relocated to Stellenbosch, South Africa, where she trained at the Kainos Tennis Academy and attended Stellenbosch High School. Following graduation, she left South Africa to further develop her game at the Barcelona Tennis Academy in Spain.
Gressmann is fluent in English, German, and Afrikaans.