Frederick Crocker (1821–1911) was an American naval commander and US consul. Crocker was born in 1821 in Brockton, Massachusetts, the youngest son of a well-to-do farmer and manufacturer. His father sent him to work in nearby New Bedford, Massachusetts, then a booming whaling town, when he was 16 years old. Attracted by the adventure of a life at sea, he left the family business to join the most important whaling company in New Bedford, at 17. Although the youngest on board, he became the leader of a harpooning party. In his free time he studied books that taught him his trade. At 24, he was captain of a whaling vessel. He hunted whales in the most remote waters of the globe during 13 years. Starting in 1851, he joined the American merchant marine serving as captain of clipper ships, carry