Jonathan Bourne Jr. (1811–1889) was a whaling agent and merchant who lived and worked in New Bedford, Massachusetts.

Jonathan Bourne Jr. was born in Sandwich, Massachusetts on March 25, 1811, the tenth of eleven children, and was raised on a farm there.

[2][3]: 45  By the time he was 24, he had married into the Nye-Howland family and had started investing in whaling ships.

[3]: 45 In 1841, he purchased the Lagoda, a merchant vessel he converted to a whaling ship.

[3]: 45  He helped West Sandwich achieve township, and that town was named Bourne after him.