Philipp, Duke of Saxe-Merseburg-Lauchstädt

Philipp, Duke of Saxe-Merseburg-Lauchstädt (26 October 1657 1 July 1690) was a German prince. He was a member of the House of Wettin.

He was born in Merseburg, the fifth but third surviving son of Christian I, Duke of Saxe-Merseburg and Christiana of Schleswig-Holstein-Sonderburg-Glücksburg.