| Type: | Bishop |
| Honorific Prefix: | The Right Reverend |
| Nelson Somerville Rulison | |
| Honorific Suffix: | D.D. |
| Bishop of Central Pennsylvania | |
| Diocese: | Central Pennsylvania |
| Elected: | 1891 |
| Term: | 1891–1897 |
| Retired: | --> |
| Predecessor: | Mark Antony De Wolfe Howe |
| Successor: | Ethelbert Talbot |
| Ordination: | November 30, 1866 |
| Ordained By: | Horatio Potter |
| Consecration: | October 28, 1884 |
| Consecrated By: | Alfred Lee |
| Birth Date: | 24 April 1842 |
| Buried: | Nisky Hill Cemetery, Bethlehem |
| Parents: | Nelson J Rulison & Sophia Van Antwerp |
| Spouse: | Georgia Blanche Rice |
| Children: | 5 |
| Previous Post: | Assistant Bishop of Central Pennsylvania (1884-1891) |
| Signature: | Signature of Nelson Somerville Rulison (1842–1897).png |
Nelson Somerville Rulison (April 24, 1842 – September 1, 1897) was second bishop of Central Pennsylvania.
Rulison was born on April 24, 1842, in Carthage, New York, born to a family whose ancestors were German nobles. He studied at the General Theological Seminary in New York City and graduated in 1866 after which he was ordained deacon. He served as assistant minister of the Church of the Annunciation in New York City. In 1867, he became rector of Zion Church in Morris, New York. In 1876 he transferred to Cleveland, Ohio, to become rector of St Paul's Church.
Rulison was elected Assistant Bishop of Central Pennsylvania (present day Diocese of Bethlehem) on June 12, 1884. He was subsequently consecrated on October 28, 1884, by Presiding Bishop Alfred Lee and co-consecrate by William Bacon Stevens, Bishop of Pennsylvania and Samuel Smith Harris, Bishop of Michigan. He was consecrated in St Paul's Church in Cleveland, Ohio. He became Bishop of Central Pennsylvania in 1891.
He died in Mannheim, Germany on September 1, 1897.[1]