Frederick Dent Grant (May 30, 1850 – April 12, 1912) was a soldier and United States minister to Austria-Hungary. Grant was the first son of General of the Army and President of the United States Ulysses S. Grant and Julia Grant.
In 1873, he was assigned to the staff of General Philip Sheridan and promoted to lieutenant colonel. He was on the Yellowstone Expedition and was with George Armstrong Custer during the Black Hills expedition.
In 1874, Grant married Ida Marie Honoré (1854-1930), the daughter of Henry Hamilton Honoré, who made his fortune in Chicago real estate. They were married in Chicago and had two children: Julia (born 1876) and Ulysses III (born 1881). (Note: Ulysses IV was the son of Ulysses S. (Buck) Grant, Jr.)
In 1877, he took a leave of absence to accompany his father on a trip around the world.
In 1878, Grant was in the Bannock War and was in the fight against Victorio in New Mexico.
In 1889, President Benjamin Harrison appointed him Minister to Austria. After Grover Cleveland became president, Grant was allowed to continue in his post. Grant resigned in 1893.
Grant became a commissioner of police in New York City in 1894.
When the Spanish-American War started in 1898, Grant was colonel of the 14th New York Volunteers and was promoted to brigadier general of volunteers. He served in Puerto Rico. In 1899, Grant was sent to the Philippines for service in the Philippine-American War, where he remained until 1902. In 1901, he was made a brigadier general in the Regular Army.
When he returned to the United States, he held various commands and was promoted to major general in 1906. At the time of his death, he was the commander for the Eastern Division which included the Department of the East and the Department of the Gulf. He died of cancer, the same disease that had claimed his father, at Fort Jay on Governors Island in New York City on April 12 1912, and was buried in West Point Cemetery.