William J. Clapp | |
|---|---|
 | |
| 2nd North Dakota Superintendent of Public Instruction | |
| In office 1890–1890 | |
| Preceded by | William Mitchell |
| Succeeded by | John Ogden |
| Personal details | |
| Born | William Joshua Clapp November 28, 1857 Middlesex County, Massachusetts, US |
| Died | August 28, 1934 (aged 76) Fargo, North Dakota, US |
| Political party | Republican |
| Spouse | Susan Stevens |
William Joshua Clapp (November 28, 1857 – August 28, 1934) was a North Dakota lawyer, politician, and public servant who served as the second North Dakota Superintendent of Public Instruction in 1890.