Mönkhjantsangiin Ankhtsetseg (Mongolian: Мөнхжанцангийн Анхцэцэг; born (1997-12-25)25 December 1997) is a Mongolian weightlifter, competing in the 81 kg category and representing Mongolia at international competitions.

[1] She won the gold medal in the women's 87 kg event at the 2021 World Weightlifting Championships held in Tashkent, Uzbekistan.

[4] She also competed in the women's 87 kg event at the 2020 Summer Olympics in Tokyo, Japan.

[5] She won the gold medal in her event at the 2022 Asian Weightlifting Championships held in Manama, Bahrain.

[6][7] In 2024, she competed in the women's 81 kg event at the Summer Olympics held in Paris, France.