Ölziibayaryn Düürenbayar or Ulziibayar Duurenbayar (Mongolian: Өлзийбаярын Дүүрэнбаяр; born 31 January 1994) is a Mongolian judoka.

[1] Ölziibayaryn participated at the 2018 World Judo Championships, winning a medal in the +100 kg division.

[2]

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