200 m: 24.23 s (2013) Saeko Okayama (岡山 沙英子, Okayama Saeko, born 12 April 1982 in Hiroshima Prefecture) is a Japanese long jumper.

She holds a personal best jump of 6.59 metres.

She was a bronze medalist at the 2011 Asian Championships and a three-time national champion at the Japanese Championships.

[2] Her mother Emiko Koumaru is also a former Long jumper, having competed at the 1964 Summer Olympics in Tokyo.

This biographical article relating to Japanese athletics is a stub.