Abdikadir Yusuf Aar (; - died 16 March 2011) aka Sheikh Qalbi, was an Islamic terrorist and senior Al-Shabaab officer from the Juba region.
He had been a member of Al-Itihaad Al-Islamiya (AIAI) in Luq from 1995 to 2002. In Al-Shabaab he served as leader in both Juba and Gedo regions.
During the launched by TFG and AMISOM to drive Al-Shabaab out of Mogadishu he was killed in action (KIA) near to the former Defense Ministry in Mogadishu on March 16, 2011.