| Election Name: | 1998 New York Attorney General election |
| Country: | New York |
| Flag Image: | Flag of New York (1909–2020).svg |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1994 New York Attorney General election |
| Previous Year: | 1994 |
| Next Election: | 2002 New York Attorney General election |
| Next Year: | 2002 |
| Election Date: | November 3, 1998 |
| Image1: | File:Eliot_Spitzer.jpg |
| Nominee1: | Eliot Spitzer |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 2,084,948 |
| Percentage1: | 48.2% |
| Nominee2: | Dennis Vacco |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 2,059,762 |
| Percentage2: | 47.6% |
| Map Size: | 305px |
| Attorney General | |
| Before Election: | Dennis Vacco |
| Before Party: | Republican Party (United States) |
| After Election: | Eliot Spitzer |
| After Party: | Democratic Party (United States) |
The 1998 New York Attorney General election took place on November 3, 1998 along with elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections. Democratic challenger Eliot Spitzer unseated one-term Republican incumbent Dennis Vacco in a major upset.
| Source | Date | Oliver Koppell | Catherine Abate | Eliot Spitzer | Evan Davis | ||
|---|---|---|---|---|---|---|---|
| Quinnipiac | February 26, 1998 | 7% | 7% | 2% | 5% | ||
| Quinnipiac | July 16, 1998 | 16% | 13% | 18% | - |
| Source | Date | Dennis Vacco (R) | Eliot Spitzer (D) | ||
|---|---|---|---|---|---|
| Quinnipiac | September 27, 1998 | 46% | 37% | ||
| Quinnipiac | October 15, 1998 | 45% | 33% | ||
| Quinnipiac | October 28, 1998 | 47% | 34% |