| Charles Hammett | |
| Birth Date: | 29 January 1865 |
| Birth Place: | Frederick County, Maryland, U.S. |
| Death Place: | Meadville, Pennsylvania, U.S. |
| Coach Sport1: | Football |
| Coach Years2: | 1910–1912 |
| Coach Team2: | Northwestern |
| Coach Years3: | 1913–1917 |
| Coach Team3: | Allegheny |
| Coach Years4: | 1919 |
| Coach Team4: | Allegheny |
| Coach Sport5: | Basketball |
| Coach Years6: | 1911–1912 |
| Coach Team6: | Northwestern |
| Coach Years7: | 1913–1918 |
| Coach Team7: | Allegheny |
| Coach Years8: | 1919–1920 |
| Coach Team8: | Allegheny |
| Coach Years9: | 1921–1922 |
| Coach Team9: | Allegheny |
| Admin Years1: | 1910–1913 |
| Admin Team1: | Northwestern |
| Overall Record: | 35–19–6 (football) 60–41 (basketball) |
Charles Edward Hammett Sr. (January 29, 1865 – October 2, 1945) was an American college football and college basketball coach and athletics administrator. He served as the head football coach at Northwestern University from 1910 to 1912 and at Allegheny College from 1913 to 1917 and in 1919, compiling a career college football coaching record of 35–19–6. Hammett was also the head basketball coach at Northwestern (1911–1912) and Allegheny (1913–1918, 1919–1920, 1921–1922), tallying a career college basketball coaching mark of 60–41. In addition, he served as Northwestern's athletic director from 1910 to 1913.
Hammett was born in Frederick County, Maryland in 1865 to David Calvin and Ellen (née Krieger) Hammett. He died of a stroke in 1945 at the age of 80.[1] [2]