Naomi Sakashita (Japanese: 坂下奈穂美; born 25 May 1975)^[1] is a retired Japanese runner who specialized in the 5000 metres and marathon.

She won the 5000 metres at the 1994 Asian Junior Championships,^[2] the bronze medal in half marathon at the 1997 East Asian Games,^[3] and the silver medal in the 5000 metres at the 2000 Asian Championships.^[4]

At the 1995 World Cross Country Championships she finished 31st in the senior race and ended fourth in the team competition. She finished sixteenth at the 1995 World Half Marathon Championships; sixth in the team competition. She won a bronze medal at the 1996 World Road Relay Championships.

Her personal best times were 15:28.99 minutes in the 5000 metres, achieved in May 2000 in Nobeoka;^[5] 32:53.40 minutes in the 10,000 metres, achieved in May 1996 in Mito;^[6] 1:10:17 hours in the half marathon, achieved in August 1997 in Shibetsu;^[7] and 2:28:09 hours in the marathon, achieved in March 2001 in Nagoya.^[1][8]