The authors investigated the relations among machismo, gender role conflict, and mental health in 113 Mexican American men recruited from campus organizations and the local community. Regression analyses controlling for acculturation indicated that machismo and gender role conflict both predicted levels of stress and depression. Higher levels of machismo and restrictive emotionality were associated with higher levels of depression and stress. The interaction of machismo and gender role conflict was not a significant predictor of either stress or depression. Implications of the findings for counseling and future research are discussed.