Ralph Isaacs Ingersoll (1789–1872), United States Representative from Connecticut
Ralph Waldo Emerson | Ralph Lauren | Ralph Nader | Ralph Vaughan Williams | Ralph Fiennes | Ralph Steadman | Ralph Macchio | Ralph Bunche | Ralph Bakshi | Ralph Richardson | Ralph Stanley | Ralph McTell | Ralph Ellison | Jason Isaacs | Ralph Jordan | Ralph | Ralph Abercromby | Ralph Molnar | Robert G. Ingersoll | Ralph Records | Ralph Peterson, Jr. | Ralph Klein | Ralph H. Fowler | Ralph Tresvant | Ralph Moore | Ingersoll | Ralph Wilson | Ralph Terry | Ralph "Shug" Jordan | Ralph Peterson |
Ingersoll was born in New Haven, Connecticut, son of Ralph Isaacs Ingersoll, a New Haven lawyer who also served in the state House of Representatives, the United States Congress, and as United States Minister to Russia and as the mayor of New Haven, and of his wife, Margaret, née Van den Heuvel.
Charles Roberts Ingersoll (1821–1903), American state legislator and executive; son and law partner of Ralph Isaacs Ingersoll; Democrat from Connecticut; served in state legislature and, from May 1873 to January 1877, as governor of Connecticut