O Song-suk

{{short description|North Korean long-distance runner}}

{{Infobox Korean name

| hangul = 오성숙

| hanja =

| rr = O Seongsuk

| mr = O Sŏngsuk

| context = north

| image =

| caption =

}}

{{family name hatnote|O||lang=Korean}}

O Song-suk (born 2 September 1977) is a North Korean long-distance runner who competes in the marathon. Her personal best time is 2:31:14 hours, achieved in April 2002 in Pyongyang.

She finished 23rd in the marathon at the 2005 World Championships.{{World Athletics}} She also won the 2004 Pyongyang Marathon.

She was the silver medallist at the 2003 Military World Games.[http://www.gbrathletics.com/ic/mwg.htm CISM World Military Games]. GBRAthletics. Retrieved on 2014-08-12.[http://www.marathon.se/aktuellt/willix-sugen-igen-efter-vm-brons Willix sugen igen efter VM-brons]. Marathon.se (2003-12-10). Retrieved on 2014-08-12.