Philip Marsteller (1741 – December 1803) was a Revolutionary War officer, businessman, and politician.

[4] During the Revolutionary War, Marsteller was highly involved in the cause of securing American independence from Great Britain.

He and his son opened an auction and merchant business, and included George Washington among their clients.

[12] Marsteller assisted Washington in acquiring services and goods for his Mount Vernon estate, including indentured servants and household supplies.

[1][15][16] He later purchased a set of pistols from Washington's estate, which are now on display at the West Point Museum.