This research studied relationship between organization culture and business ethics, the objectives were find out the level of organization culture, level of perception in business ethics, and relationship between culture and business ethics. 318 samples were employees who worked for business companies in Bangkok provinces. Data was collected by questionnaires of perceiving organization culture and questionnaires of organization cultures.Results of the study found level of organization culture perception was high in every characteristics, perceived masculinity was highest (X = 4.25) and the lowest was perceived individualism (X = 3.69). Further the results showed level of business ethics perception was high (X = 3.94), the perceived toward business excellence was the highest (X = 4.18) and the lowest was perceived social concern (X = 3.66). The relationship of power distance in organization culture had negative relation with social concern characteristic and environment conservation characteristic (r = -.209, r = -.158 consequently) at .05 significant level. Individualism, collectivism, masculinity, and femininity had positive relation with business ethics in every characteristics (r = .284, r = .382, r = .177, r = .448 consequently) at .05 significant level.