Ambroise Tardieu (March 2, 1788 - January 17, 1841) was a prominent French cartographer and engraver operating in the late 18th and early 19th centuries. Tardieu's work is known for its beauty and accuracy as well as for its depth of detail. Tardieu's most important work is his version of John Arrowsmith's large format map of the United States, published in 1806. Ambroise Tardieu is eclipsed in fame by his son, artist and medical scholar, August Ambroise Tardieu. Ambroise Tardieu is also frequently confused with Jean Baptiste Pierre Tardieu, another unrelated French map and print engraver active in the early 19th century.