Mongolia at the 2000 Summer Olympics

Mongolia competed at the 2000 Summer Olympics in Sydney, Australia.

Shooting
Women's 25 m air 
 * Otryadyn Gündegmaa

Athletics
Men's 800 m
 * Puntsag-Osor Purevsuren
 * Round 1 – 01:56.29 (did not advance)

Women's 5000 m
 * Baatarkhuu Battsetseg
 * Round 1 – 18:22.98 (did not advance)

Boxing
Men's 60 kg
 * Tumentsetseg Uitumen
 * Round 1 – Lost to Almazbek Raimkulov of Kyrgyzstan (did not advance)

Swimming
Men's 100 m freestyle
 * Ganaa Galbadrakh
 * Preliminary Heat – 58.79 (did not advance)

Women's 100 m freestyle
 * Sanjaajamts Altantuya
 * Preliminary Heat – 01:10.22 (did not advance)