Henry Augustus Philip Muhlenberg (May 13, 1782 – August 11, 1844) was an American political leader and diplomat.

[2] His paternal grandfather was Henry Muhlenberg, a German born Lutheran pastor who was sent to North America as a missionary.

[8] He presented his credentials in Vienna on November 7, 1838, and served until September 18, 1840, when he left his post and was succeeded by Daniel Jenifer.

Mary died on March 21, 1806, giving birth to a daughter:[3] After her death, he remarried to Rebecca Hiester (1781–1841) on June 7, 1808.

[2] Together, they were the parents of:[3] Muhlenberg died in Reading, Pennsylvania, on August 11, 1844, and is interred at the Charles Evans Cemetery.