Nina de Vries (born 21 January 1961 in IJmuiden, the Netherlands) is a Dutch sexual assistant who has lived and worked in Germany since 1990. She distinguishes between Sexual Assistance and Surrogate Partnership, terms which are commonly used interchangeably. Over the years her focus has shifted to the work with severely disabled people as well as the education and training of sexual assistants. In addition, she is responsible for elderly care facilities and facilities in which people with different kinds of impairments have found a new home.