Baabar (Mongolian: Баабар; born Bat-Erdeniin Batbayar [Бат-Эрдэнийн Батбаяр] in Tsetserleg, Arkhangai, in 1954) is a Mongolian retired politician, political analyst and writer.

Baabar worked at the Microbiological Research and Production Center as a Researcher in 1981–1991 until he became the Leader of the Mongolian Social Democratic Party.

He resigned as the Leader of the Mongolian Social Democratic Party in 1994.

Baabar was elected to the State Great Hural of Mongolia in 1996.

[1] After being defeated at the 2004 parliamentary election, he worked as Foreign Policy Advisor to Prime Minister in 2004–2005.