Jean Joseph Guieu, also Jean Guyeux, (30 September 1758 – 5 October 1817) joined the French royal army and quickly rose in rank during the French Revolutionary Wars.
He fought in the War of the Pyrenees against Spain and became a general officer.
After transferring to Italy, he held important commands under Napoleon Bonaparte in the Italian campaign of 1796-1797.
He retired from the army in 1803 and his surname is one of the Names inscribed under the Arc de Triomphe.