In the first part I will reconstruct Kant's understanding of persons in terms of his consideration of respect for the moral law by relying primarily on Critique of Practical Reason and Religion within the Limits of Reason Alone. In the second part I will present three critical objections to Kant's claims that personality is the idea (ideal) of humanity considered morally and intellectually. First, how could it be that personality is merely an idea of reason, and not also something actually given? Second, why does Kant not take into account the emotional, imaginative, and even irrational aspects of personality? Third, does not personality involve something irreducibly individual? Based on the consideration of these objections, I will at the end point out a possible development of a richer version of Kant's conception of person and personality.