The name Christian Ludwig may refer to: Christian Ludwig of Brandenburg-Schwedt (1677–1734), recipient of Bach's Brandenburg Concertos Christian Ludwig II, Duke of Mecklenburg-Schwerin (1683–1756) Christian Ludwig Ideler (1766–1846), astronomer Christian Ludwig Nitzsch (1782–1837), zoologist Christian Ludwig Brehm (1787–1864), pastor Duke Christian Louis of Mecklenburg-Schwerin (1912–1996) Christian Ludwig (physicist) (1749–1784), German physician and physicist Christian Friedrich Ludwig (1757–1823), German physician and naturalist Christian Gottlieb Ludwig (1709–1773), German physician and botanist