Christian or Christina Bruce (c. 1278 – 1356/1357), also known as Christian or Christina de Brus, was a daughter of Marjorie, Countess of Carrick, and her husband, Robert de Brus, jure uxoris Earl of Carrick, as well as a sister of Robert the Bruce, King of Scots. It is presumed that she and her siblings were born at Turnberry Castle in Carrick.