| Jack B. Jacobs | |
| Office1: | Justice of the Delaware Supreme Court |
| Term Start1: | 2003 |
| Term End1: | 2014 |
| Predecessor1: | Joseph T. Walsh |
| Successor1: | Karen L. Valihura |
| Office2: | Vice Chancellor of the Delaware Court of Chancery |
| Term Start2: | 1985 |
| Term End2: | 2003 |
| Predecessor2: | Joseph T. Walsh[1] |
| Successor2: | Donald F. Parsons |
| Birth Date: | 23 July 1942 |
| Education: | University of Chicago Harvard Law School |
Jack Bernard Jacobs (born July 23, 1942)[2] is a former justice of the Delaware Supreme Court,[3] having served on that court from 2003 to 2014. He also served as a vice chancellor of the Delaware Court of Chancery from 1985 to 2003.[4] He graduated from University of Chicago and Harvard Law School.