| Intro | American politician |
| Was | Politician |
| From | United States of America |
| Type | Politics |
| Gender | male |
| Birth | 1 January 1865 |
| Death |
1 January 1925 (aged 60 years) |
John B. Curtin (c.1865 – May 18, 1925) was a politician from the U.S. state of California. He was member of California state senate from 1899 to 1915. In 1914, he ran for Governor of California on the Democratic ticket, but lost to incumbent Hiram Johnson.