- Ibn Quṭlūbughā, al-Qāsim ibn ʻAbd Allāh, 1399 or 1400-1474 or 1475. Ḥawālah1
- Ibn Saʻādah, Aḥmad ibn ʻAlī, active 13th century. Risālat al-ʻilm1
- Ibn Sharaf Shāh, Ḥasan ibn Muḥammad, 1247 or 1248-1315 or 1316. Wāfiyah fī sharḥ al-Kāfiyah4
- Ibn Sharaf Shāh, Ḥasan ibn Muḥammad, 1247 or 1248-1315 or 1316. Wāfīyah fī sharḥ al-Kāfīyah1
- Ibn Shukr, ʻAbd Allāh ibn ʻAlī , 1153-12251
- Ibn Taymīyah, Aḥmad ibn ʻAbd al-Ḥalīm, 1263-13281
- Ibn Taymīyah, ʻAbd al-Salām ibn ʻAbd Allāh, 1193 or 1194-1254 or 1255. Muḥarrar fī al-fiqh1
- Ibn Umayl, Muḥammad, active 10th century. Qaṣīdah al-Nūnīyah1
- Ibn Wadʻān, Muḥammad ibn ʻAlī, d. 1101. Arbaʻīn al-Wadʻānīyah1
- Ibn Wahbān, ʻAbd al-Wahhāb ibn Aḥmad, -1366 or 1367. Qaʼid al-sharāʼid wa-naẓm al-fawāʼid1
- Ibn Wahbān, ʻAbd al-Wahhāb ibn Aḥmad, d. 1366 or 7. Qayd al-sharāʼid2
- Ibn Yūsuf al-Ṣafī, Muḥammad, 1421-14871
- Ibn Zaydūn, Aḥmad ibn ʻAbd Allāh, 1003 or 1004-1071. Risālah al-jiddīyah1
- Ibn al-Aswad, Ḥasan ibn ʻAlāʼ al-Dīn. Iftitāḥ1
- Ibn al-Bārizī, Hibat Allāh ibn Najm al-Dīn, 1247-13381
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-12351
- Ibn al-Fāriḍ, ʻUmar ibn ʻAlī, 1181 or 1182-1235. Qaṣīdah1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, -1412. Lumaʻ al-yasīrah fī ʻilm al-ḥisāb2
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, -1412. Maʻūnah fī ʻilm al-ḥisāb al-hawāʼī.--Abridgment1
- Ibn al-Jarādiqī, Muḥammad ibn ʻAlī, approximately 1373-14571