Christina Magdalena (Kieka) Mynhardt (née Steyn; born 1953) is a South African born Canadian mathematician known for her work on dominating sets in graph theory, including domination versions of the eight queens puzzle. She is a professor of mathematics and statistics at the University of Victoria in Canada.
Mynhardt was born in Cape Town, and was a student at the Hoërskool Lichtenburg. She completed her Ph.D. at Rand Afrikaans University (now incorporated into the University of Johannesburg) in 1979, supervised by Izak Broere. Her dissertation, The
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In 1995, Mynhardt was selected as one of the founding members of the Academy of Science of South Africa.She was a 2005 recipient of the Dignitas Award of the University of Johannesburg Alumni.