Usd al-ghabah fi marifat al-Saḥabah (Arabic: أسد الغابة في معرفة الصحابة, lit. 'The Lions of the Forest and the knowledge about the Companions'), commonly known as Usa al-Gabah, is a book by Ali ibn al-Athir.^[1][2] Written in 1200 and published in 2012, it is a biography of Muhammad and 7,554 of his companions.^[3][4]

The accounts are ordered alphabetically. The title relies primarily on four other works: Ma'rifat al-Sahabah by Abi Na'im, al-Isti'ab fi Ma'rifat al-Ashab by Ibn 'Abd al-Barr, Ma'rifat al-Ashab and al-Dhayl 'ala Ma'rifat al-Ashab, both by Ibn Mandah.

Ibn Hajar says in Taqrib that he was truthful, but habitually connected disjointed narrations without mentioning his sources.^[5]