Abu Ahmad bin Adi Al-Jurjani: One of the best people
Abu Bakr Al-Bayhaqi: Trustworthy and an authority, and at one point, one of the pillars of Hadith
Abu Hatim bin Hibban Al-Busti: A man of Sunnah, virtue, and religion, and Al-Humaidi said: I accompanied Ibn Uyainah for twenty years
Abu Abd Allah Al-Hakim Al-Naysaburi: Trustworthy and reliable, Al-Bukhari, when he found a Hadith narrated by him, would not seek it from anyone else
Ahmad bin Hanbal: He is an Imam in our view
Ibn Abi Hatim Al-Razi: Trustworthy Imam, the most knowledgeable about Ibn Uyainah and the leader of his companions, and Al-Humaidi said: I accompanied Ibn Uyainah for nineteen years
Ibn Hajar Al-Asqalani: Trustworthy Hadith Scholar, Jurist, the most prominent companion of Ibn Uyainah
Al-Khatib Al-Baghdadi: Trustworthy, established authority, his Hadiths are numerous and well-known
Al-Dhahabi: The Jurist, one of the leading figures, and a companion of Ibn Uyainah
Muhammad bin Ismail Al-Bukhari: When he found a Hadith narrated by him, he wouldn't seek it from anyone else due to his trust in him. He heard Fadil bin Iyad say: I accompanied Ibn Uyainah for nineteen years or so
Muhammad bin Saad, the scribe of Al-Waqidi: Trustworthy, a prolific narrator of Hadith
Yaqub bin Sufyan Al-Faswi: I have not met anyone more sincere to Islam and its people than him