Few things bring more joy to a religious community that the union of two people in love. In the Unitarian Universalist tradition, wedding ceremonies are expressions of love and commitment between two people, and as such are custom-tailored to match the personalities and aspirations of those seeking union. The ceremonies may include some traditional religious elements or simple secular secular ceremony that celebrates the love between two people.

Unitarian Universalist congregations were among the first to embrace same-sex marriage. What is important in all cases is the love and commitment expressed by the participants, not rules set by others.