January 6 - Asa'ib Ahl al-Haq, the Iranian-backed Shiite militia that carried out deadly attacks on U.S. troops agrees to lay down its arms and join the political process in Iraq.
January 14 - A suicide bomber kills at least 53 people and injures more than 130 in Basra.
January 15 - Insurgents trigger bombs and storm a police station in Ramadi, with six people reportedly killed and 14 injured.