Christian II, Count of Oldenburg (died 1233) was a German nobleman.
He was a son of Maurice I of Oldenburg (died 1211) and his wife Salome of Wickerode.
After his father's death, he ruled jointly with his brother Otto I.
They ruled harmoniously and managed significantly to expand the rights and territory of Oldenburg in Frisia.
He married Agnes, a daughter of Count Arnold of Altena-Isenburg with Mechtild of Holland and had two sons: