Nikki Jayne Hamblin (born 20 May 1988) is a New Zealand middle distance runner who specialises in the 800 and 1500 metres.

Born in England, Hamblin ran for the Dorchester Athletics Club before moving to New Zealand in 2006.

[2] At the 2016 Summer Olympics in Rio de Janeiro, she received considerable international media attention following an incident during the 5000m heat in which both she and American Abbey D'Agostino fell.

The two women helped each other finish the race and were allowed to compete in the final.

As D'Agostino had suffered a torn anterior cruciate ligament and meniscus she was unable to participate further.