| Election Name: | 1899 United States Senate election in New York |
| Country: | New York |
| Flag Year: | 1899 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1893 United States Senate election in New York |
| Previous Year: | 1893 |
| Next Election: | 1905 United States Senate election in New York |
| Next Year: | 1905 |
| Election Date: | January 17, 1899 |
| Votes For Election: | Majority vote of each house needed to win |
| 1Blank: | Senate |
| 2Blank: | Percentage |
| 3Blank: | House |
| 4Blank: | Percentage |
| Image1: | CMDepew.jpg |
| Nominee1: | Chauncey Depew |
| Party1: | Republican Party (United States) |
| 1Data1: | 27 |
| 2Data1: | 54.00% |
| 3Data1: | 84 |
| 4Data1: | 58.33% |
| Nominee2: | Edward Murphy Jr. |
| Party2: | Democratic Party (United States) |
| 1Data2: | 23 |
| 2Data2: | 46.00% |
| 3Data2: | 60 |
| 4Data2: | 41.67% |
| Senator | |
| Before Election: | Edward Murphy Jr. |
| Before Party: | Democratic Party (United States) |
| After Election: | Chauncey Depew |
| After Party: | Republican Party (United States) |
The 1899 United States Senate election in New York was held on January 17, 1899. Incumbent Democratic Senator Edward Murphy Jr. stood for re-election to a second term but was defeated by Republican Chauncey Depew. Republicans had maintained control of both houses of the legislature in the 1898 New York state election.
Democrat Edward Murphy Jr. had been elected to this seat in 1893, and his term would expire on March 3, 1899.
At the State election in November 1898, 27 Republicans and 23 Democrats were elected for a two-year term (1899-1900) in the State Senate; and 88 Republicans and 62 Democrats were elected for the session of 1899 to the Assembly. The 122nd New York State Legislature met from January 4 to April 28, 1899, at Albany, New York.
The Republican caucus met on January 12. State Senator Hobart Krum presided. They nominated Chauncey M. Depew unanimously. Depew had been Secretary of State of New York from 1864 to 1865, and was the frontrunning candidate to succeed Thomas C. Platt at the U.S. Senate special election in 1881 when he withdrew after the 41st ballot. Parallel to his political career, he moved up the ladder in the Vanderbilt Railroad System, being President of the New York Central and Hudson River Railroad from 1885 to 1898, and holding positions in dozens of other railroad companies.
The Democratic caucus met also on January 12. State Senator George W. Plunkitt presided. They re-nominated the incumbent U.S. Senator Edward Murphy Jr. unanimously.
Chauncey M. Depew was the choice of both the Assembly and the State Senate, and was declared elected.
| House | Republican | Democratic | |||
|---|---|---|---|---|---|
| State Senate (50 members) | Chauncey M. Depew | 27 | Edward Murphy Jr. | 23 | |
| State Assembly (150 members) | Chauncey M. Depew | 84 | Edward Murphy Jr. | 60 | |
Note: The votes were cast on January 17, but both Houses met in a joint session on January 18 to compare nominations, and declare the result.
Depew was re-elected in 1905, and served two terms, most of the time alongside his adversary of 1881, Thomas C. Platt. Depew remained in the U.S. Senate until March 3, 1911. In 1911, Depew was defeated for re-election by Democrat James A. O'Gorman after a deadlock of two months and a half.