ABSTRACT: Lay conceptions of happiness are beliefs about the nature, value, antecedents, and outcomes of happiness. Happiness research has largely focused on the levels, predictors, and outcomes of happiness, whereas conceptions of happiness have received less attention. This study sought to expand our understanding of these conceptions by examining a relatively large number of them (i.e., eudaimonism, inclusive happiness, externality of happiness, fear of happiness, transformative suffering, fragility of happiness, valuing happiness, and inflexibility of happiness), in samples from Korea and Canada. Five components of well-being (i.e., social well-being, psychological well-being, life satisfaction, positive affect, and negative affect), the Big Five personality traits, materialism, and demographic