Haike Eva van Stralen (born April 22, 1983) is a Dutch former swimmer, who specialized in freestyle events.
She is a two-time Olympian (2000 and 2004), and double Dutch short-course champion in the 200 and 400 m freestyle.
Van Stralen also played for De Kempvis Swimming Club in Spijkenisse, under her personal coach Dick Bergsma.
Van Stralen made her first Dutch team, as a 17-year-old teen, at the 2000 Summer Olympics in Sydney.
She placed eleventh, along with Carla Geurts, Chantal Groot, and Manon van Rooijen, in the 4×200 m freestyle relay with a time of 8:08.53.Four years later, at the 2004 Summer Olympics in Athens, Van Stralen competed again in the women's 4×200 m freestyle relay as a member of the Dutch team.
She claimed the 200 m freestyle from the Dutch National Championships in Amsterdam, posting her relay entry time of 2:02.21.
Teaming with Groot, Marleen Veldhuis, and Celina Lemmen in heat two, van Stralen swam a second leg, and lowered her personal best to 2:01.80.
Van Stralen and the entire Dutch team missed the top 8 final by almost two seconds, finishing only in fifth place and ninth overall with a final time of 8:08.96.