Christian II (22 June 1637 – 26 April 1717) was the Duke of Birkenfeld-Bischweiler from 1654 until 1717, the Duke of Zweibrücken-Birkenfeld from 1671 until 1717, and the Count of Rappoltstein from 1673 until 1699.
He married Countess Palatine Louise of Zweibrücken-Birkenfeld, daughter of Christian II, Count Palatine of Zweibrücken-Birkenfeld and Countess Catharine Agathe of Rappoltstein, in Hanau on 22 Oct 1700.
He was carefully educated under the supervision of his uncle, Duke Christian IV of Zweibrücken, became Count of Rappoltstein in 1776 and took service in 1777 as a colonel in the French army and rose rapidly to the rank of major-general.