Jeremiah Daniel Baltimore (April 15, 1852 – July 29, 1929) was an engineer and educator in Washington, DC. For many years, he was an engineer in the service of the United States Navy and served as chief engineer at the Freedmen's Hospital. He was also a teacher of mechanics, and was responsible for mechanical instruction in the African American schools in the city from 1890 to 1922. He was on the trial board of the Naval battleship USS Texas (1892) and was among the organizers and officers of the Potomac Hospital and Training School. In 1903 he was elected a member of the Franklin Institute of Philadelphia. In 1915 he was made member of the Royal Society for the Encouragement of Art, Manufactures, and Commerce of London.