James Bigheart | |
|---|---|
 James Bigheart in May 1894 | |
| Principal chief of the Osage Nation | |
| Personal details | |
| Born | Pun-Kah-Wi-Tah-An-Kah c. 1838 Neosho County, Kansas |
| Died | October 5, 1908 (age 69–70) Bigheart, Oklahoma |
| Citizenship | Osage Nation |
| Political party | Non-Progressives |
| Education | Osage Mission's post |
| Known for | Negotiating the creation of the Osage Nation Mineral Estate |
| Military service | |
| Allegiance | United States |
| Branch/service | Union Army |
| Years of service | 1862–1865 |
| Rank | First lieutenant |
James Bigheart (Osage romanized Pun-Kah-Wi-Tah-An-Kah; c. 1838 – October 5, 1908), also known as Big Jim, was an Osage politician who served as principal chief of the Osage Nation.