This article is about the 20th-century American concept of common values shared between the two religions. For the term "Judeo-Christian", grouping Judaism and Christianity, see
Judeo-Christian. For the intersection in general of Judaism with Christianity, see
Christianity and Judaism.
The idea that a common Judeo-Christian ethics or Judeo-Christian values underpins American politics, law and morals has been part of the "American civil religion" since the 1940s. In recent years, the phrase has been associated with political conservatives, but the concept—though not always the exact phrase—has frequently featured in the rhetoric of leaders across the political spectrum, including that of Franklin D. Roosevelt and Lyndon B. Johnson.