Mousethief-
"The Christian right (also known as the religious right and the evangelical bloc) is a term used predominantly in the USA to describe a spectrum of right-wing Christian political and social movements and organizations characterized by their strong support of conservative social and political values. The politically active social movement of the Christian right include individuals from a wide variety of conservative theological beliefs, ranging from traditional movements within Baptist, Mormon, and Calvinist organizations to theologically conservative groups within Lutheranism, Calvinism and Catholicism."
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Religious right "can refer to any religiously motivated conservative movement,..... For example conservative Christians, Muslim social conservatives and Orthodox Jews cooperate in national and international projects through the World Congress of Families and United Nations NGO gatherings."

Above extracted from Wikipedia. Religion seems to be a large part of "religious right."