Francis Morgan Rotch (February 20, 1822 in New Bedford, Bristol County, Massachusetts – November 28, 1863 in Morris, Otsego County, New York) was an American politician from New York.

Edwin D. Morgan as one of his aides-de-camp with the rank of colonel.

While on official business with the New York regiments of the Army of the Potomac, he contracted a fever in the swamps near Yorktown, Virginia.

After lingering on for a few months, he died suddenly at his home and was buried at the Hillington Cemetery in Morris.

His great-granduncle Francis Rotch owned the vessel Dartmouth one of three from which the tea was thrown overboard during the Boston Tea Party in 1773.