Akiko Sekine
(née Hirao; born August 30, 1975) is an athlete from Japan, who competes in triathlon. She competed at the first Olympic triathlon at the 2000 Summer Olympics.  She took seventeenth place with a total time of 2:04:18.70. She also competed at the second Olympic triathlon at the 2004 Summer Olympics.  She took twelfth place with a total time of 2:07:34.02.