Ansar al-Khilafah Brazil (Portuguese: Ansar al-Khilafah Brasil, Arabic: أنصار الخلافة البرازيل, romanized: Anṣār al-khilāfah al-Barāzīl, lit.

[1] The group gained prominence in 2016 after pledging their allegiance to the Islamic State group and threatening the 2016 Olympic Summer Games in Rio de Janeiro, Brazil.

[2][3] Through Telegram, the group would disseminate Islamic State propaganda in Portuguese, this included the 14 issues of the Islamic State online magazine, Dabiq.

[4] It is believed to be the first pledge of allegiance to the Islamic State coming from South America.

[6] In 2018, the group attempted to re-establish itself as a sleeper cell, but all 11 members were arrested after WhatsApp messages between them were leaked to the Brazilian police.