Ansar al-Sharia or Ansar al-Shariah is a name that has been used by a collection of radical or militant Islamist groups or militias in at least eight countries. While they share names and ideology, they lack a unified command structure.

Current groups Ansar al-Sharia (Yemen), 2011 – present Ansar al-Sharia (Mali), 2012 – present

Former groups Ansar al-Sharia (Tunisia), 2011 – 2022 Ansar al-Sharia (Libya), 2012 – 2017 Ansar al-Sharia (Derna, Libya), 2011 – 2018 Ansar al-Sharia (Egypt), 2012 – 2018 Ansar al-Sharia (Mauritania), 2013 – 2019 Ansar al-Sharia (Syria), 2015 – 2017 Ansarul Sharia Pakistan, 2017 – 2019

See also al-Qaeda in the Arabian Peninsula, a militant Islamist organization, primarily active in Yemen and Saudi Arabia