Facile, selective, and organic: Acid–base organocatalyzed aza‐Morita–Baylis–Hillman/aza‐Michael domino reactions of α,β‐unsaturated carbonyl compounds 1 with N‐tosylimines 2 have been developed. The enantioselective process produces the highly functionalized isoindoline as a single diastereomer (Ts=4‐toluenesulfonyl).