Finance and Business What is a celebration ceremony? What is a celebration ceremony? As nouns the difference between celebration and ceremony is that celebration is the formal performance of a solemn rite, such as christian sacrament while ceremony is a ritual with religious significance. Related Posts:There is a difference between formal and semi formal attire.Are Walgreens and Rite Aid the same company?Do BSN nurses wear white coats?PDF Order of the Arrow Questionnaire for Brotherhood.