William I. Hart
American lawyer and prosecutor in the Nuremberg Military Tribunals
- Occupation: lawyer
- Participant in: Pohl Trial (role: prosecutor)
- Significant person: George Baucum Fulkerson (role: colleague); Jack W. Robbins (role: acquaintance); James M. McHaney (role: acquaintance); James R. Higgins; Telford Taylor (role: acquaintance)