Purpose. The purpose of this study was to examine the level of knowledge and the attitudes of Korean adults toward sexuality of elderly people. Methods. This was a descriptive study using a convenience sample of 241 adults. The questionnaire had 34 items for knowledge and 26 items for attitudes. Results. The result showed that, related to sexuality of elderly people, the level of knowledge was average and attitudes were conservative. The level of knowledge was significantly higher in groups that were highly educated and of low economic status (p <.05). Attitudes toward sexuality of elderly people were significantly more conservative in female, older, less educated, and high economic status group. Conclusion. The findings suggest a need for more education for Korean adults regarding sexuality in elderly people.