The effects of the attitudinal, normative, and perceived behavioral control (PBC) components of the theory of planned behavior and personal- and societal-level descriptive and injunctive norms were investigated with regard to their impact on the intent to enroll on a state organ-donor registry and the intent to engage in family discussion about organ donation. The results indicated that the 5 types of norms were distinct across the 2 behaviors. Different types of norms served as predictors and as moderators for the 2 behavioral intentions. The effects of attitudes toward each behavior and PBC were moderated by personal descriptive norms for behavioral intention to sign and by subjective norms for behavioral intention to talk with family.