Differences in race, ethnic origin, gender, belief and worldview, disability and chronic disease, age, and sexual orientation must not be a reason for discriminating against people. Non-discrimination is enshrined as a fundamental right in the Universal Declaration of Human Rights, in numerous subsequent documents and in the constitutions of democratic states. Also the major religions are hostile to discriminatory distinctions. Among the groups that repeatedly experience discrimination are, on the one hand, women, who have to put up with disadvantages even in countries that advocate equality. Secondly, they include people with a homosexual orientation, who sometimes have to endure open rejection. This research uses a sample of N=5363 from 10 countries to examine the attitudes of young people about non-discrimination. Specifically, it asks whether religious belonging and the country of origin show any impact on this attitude, and whether the religiosity of respondents moderates the influence of religion and country. The empirical findings show that discrimination against women is rejected, but with differences between religious groups and countries. Homosexuality is seen more controversially and there is no uniform rejection of discrimination against homosexuals. However, depending on religious affiliation and national context, individual religiosity can have positive and negative effects on the rejection of discrimination.