Dennis Douglas Van der Meer (2 March 1933 – 27 July 2019) was a South West African born, American tennis administrator, instructor and coach.

[4] At the age of nineteen, Van der Meer took part in the South African Davis Cup trials but was unsuccessful.

In 1961 Van der Meer emigrated to the United States where he settled in California and taught at the Berkeley Tennis Club.

His coaching included assisting both Margaret Court and Billie Jean King during the "Battle of the Sexes" with Bobby Riggs.

Van der Meer has written several books on tennis coaching, including: