Crossword clues for sda sda Religious org Protestant denomination with Sat. services Prot. denomination with services on Saturdays Denomination that observes the Sabbath on Sat Denom. that observes the Sabbath on Sat Churchgoers who observe the Sabbath on Sat Christian denom. that observes the Sabbath on Saturday Religious gp. Religious org. Religious gp Religious group: Abbr Sat. churchgoers Sabbatarian grp Wikipedia SDA SDA or sda may refer to: