| Election Name: | 1998 Connecticut Attorney General election |
| Country: | Connecticut |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1994 Connecticut Attorney General election |
| Previous Year: | 1994 |
| Next Election: | 2002 Connecticut Attorney General election |
| Next Year: | 2002 |
| Election Date: | November 3, 1998 |
| Nominee1: | Richard Blumenthal |
| Party1: | Connecticut Democratic Party |
| Popular Vote1: | 631,588 |
| Percentage1: | 68.6% |
| Nominee2: | Santa Mendoza |
| Party2: | Connecticut Republican Party |
| Popular Vote2: | 282,289 |
| Percentage2: | 30.6% |
| Map Size: | 220px |
| Attorney General | |
| Before Election: | Richard Blumenthal |
| Before Party: | Connecticut Democratic Party |
| After Election: | Richard Blumenthal |
| After Party: | Connecticut Democratic Party |
The 1998 Connecticut Attorney General election took place on November 3, 1998, to elect the Attorney General of Connecticut. Incumbent Democratic Attorney General Richard Blumenthal won re-election to a third term, defeating Republican nominee Santa Mendoza.