Na Ah-reum (Korean pronunciation: [na.a.??m]) is a South Korean road bicycle racer, born in Naju, who currently rides for UCI Women's Team Alé–Cipollini.
She competed at the 2012 Summer Olympics in the Women's road race, finishing 13th.
She also competed in the road race at the 2016 Olympics.
In 2018 Na won the South Korea National Championships road race and individual time trial.