Ibn Maskawaih, Al-Ghazali and Ibnu Khaldun are three figures of Islamic thought, in fact these three figures are also known to have quite well-known concepts in Islamic education. This research uses research library research, by collecting previous articles and sources. The results of this research revealed that Ibnu Miskawaih emphasized the moral issues of society, human nature,. Imam Al-Ghazali is a leading Islamic thinker, both in education, Sufism, fiqh, morals and so on. Meanwhile, in Ibn Khaldun's view, the ultimate function of reason is the depiction (conceptualization) of reality objectively, in detail and in depth with a series of causalities in it. With this function, the mind is able to achieve perfect and enlightened development. Even though in the Muqaddimah Ibnu Khaldun praises the position of humans because of their reason, reason has clear boundaries.