Douglas Richard Wassenaar
- Born: 31 Oct 1953, Johannesburg, Gauteng, Zuid Afrika
- Marriage (1): Louisa Erikson-Miller on 28 Jul 1990 in Hilton, , KwaZulu-Natal, South Africa
- Marriage (2): Catherine May Slack on 20 Jan 2001
Noted events in his life were:
• Occupation: Professor psychology aan de Universiteit van Kwa Zulu Natal: Pietermaritzburg, , KwaZulu-Natal, South Africa.
Douglas married Louisa Erikson-Miller, daughter of Frank Douglas James Eriksen-Miller and Cecilia Johanna Boshoff, on 28 Jul 1990 in Hilton, , KwaZulu-Natal, South Africa. (Louisa Erikson-Miller was born on 19 Apr 1957.)
Douglas next married Catherine May Slack on 20 Jan 2001. (Catherine May Slack was born on 6 Aug 1970 in Durban, KwaZoeloe-Natal, Zuid Afrika.)