This study investigated the consumer acceptance toward irradiated foods and the factors to distinguish subjects with differential levels of the acceptance. Data were collected from 462 adults in Seoul, Daegu and Busan by the self-administered questionnaire. Frequencies and logistic regression analysis were conducted by SPSS. The results were as follows: (1) the level of awareness about irradiated foods was very low, but the acceptance toward them was high; only 2.8% of the respondents answered that they heard about irradiated foods and knew them very well, and 60.4% were wiling to buy them, and (2) sex, subscription of consumer magazines, and concerns about irradiated foods were factors to distinguish accepters from non-accepters; the respondents who were males, subscribed for consumer magazines, and had high concerns about irradiated foods showed less willingness to irradiated foods.