Naidangiin Otgonjargal (Mongolian: Найдангийн Отгонжаргал; born November 14, 1979, in Bulgan sum, Arkhangai aimag) is an amateur Mongolian freestyle wrestler, who played for the women's lightweight category. Between 2001 and 2004, Otgonjargal had won a total of three medals (one gold and two bronze) for the 51 and 55 kg classes at the Asian Wrestling Championships. She also captured two bronze medals in the same division at the 2002 Asian Games in Busan, South Korea, and at the 2006 Asian Games in Doha, Qatar.