The ASA Arena, formerly Mongolian National Circus (Mongolian: Монгол Улсын Цирк), is a circus and event venue in Sükhbaatar District, Ulaanbaatar, Mongolia.

The circus building was built in 1971 with a US$7.4 million loan from Romania.

[1] In 2008, the circus was privatized by former sumo grand champion Asashoryu D.Dagvadorj and then renamed the venue as Asa Circus.

[2][3] In 2020, the interior of the circus underwent renovation.

[4] The shape of the circus building resembles traditional round hat down by women in Ulaanbaatar.