Ibn Abī Shaybah or Imām Abū Bakr Ibn Abī Shaybah or Abū Bakr ʿAbd Allāh ibn Muḥammad Ibn Abī Shaybah Ibrāhīm ibn ʿUthmān al-ʿAbsī al-Kūfī (Arabic: امام أبو بكر عبد الله بن محمد بن أبي شيبة إبراهيم بن عثمان العبسي الكوفي) (159H – 235H / 775–849 CE) was Muslim jurist and scholar of hadith. He authored a musannaf work commonly known as Musannaf Ibn Abi Shaybah, the second largest hadith compilation ever and one of the earliest extant works in that genre.Alongside Ahmad ibn Hanbal, Ali ibn al-Madini and Yahya ibn Ma'in, Ibn Abi Shaybah has been considered by many Muslim specialists in hadith to be one of the four most significant authors in the field.