Benjamin T. Onderdonk
| Benjamin Tredwell Onderdonk | |
|---|---|
| 4th Bishop of New York | |
| Church | Episcopal Church | 
| Diocese | New York | 
| Elected | October 8, 1830 | 
| In office | 1830–1861 Suspended 1845 and never restored | 
| Predecessor | John Henry Hobart | 
| Successor | Jonathan Mayhew Wainwright | 
| Orders | |
| Ordination | July 26, 1815 by John Henry Hobart | 
| Consecration | November 26, 1830 by William White | 
| Personal details | |
| Born | July 15, 1791 | 
| Died | April 30, 1861 (aged 69) New York City, New York, United States | 
| Buried | Trinity Church (Manhattan) | 
| Denomination | Anglican | 
| Parents | John Onderdonk & Deborah Ustick | 
| Spouse | Elizabeth Handy Moscrop (m. 1813) | 
| Alma mater | Columbia College | 
Benjamin Treadwell Onderdonk (July 15, 1791, in New York City – April 30, 1861, in New York) was the Bishop of the Episcopal Diocese of New York from 1830 to 1861.