The 1869 United States Senate election in New York was held on January 19, 1869, by the New York State Legislature. Incumbent Senator Edwin D. Morgan stood for a second term in office, but lost the support of the Republican legislative caucus in favor of Reuben Fenton.

Edwin Denison Morgan was the 21st governor of New York from 1859 to 1862 and served in the United States Senate from 1863 to 1869. He was the first and longest-serving chairman of the Republican National Committee. He was also a Union Army general during the American Civil War. Morgan was known for his progressive views on education, prison reform, and women's suffrage. He helped to found the Republican Party in New York and was a strong supporter of the Presidency of Abraham Lincoln.