| Jack B. Horner | |
| State House: | Pennsylvania |
| District: | 98th |
| Term Start: | 1969 |
| Term End: | 1972 |
| Predecessor: | District created |
| Successor: | Kenneth Brandt |
| State House2: | Pennsylvania |
| District2: | Lancaster County |
| Term Start2: | 1965 |
| Term End2: | 1968 |
| Birth Date: | March 24, 1922 |
| Birth Place: | Elizabethtown, Pennsylvania, U.S. |
| Death Place: | Lancaster, Pennsylvania, U.S. |
| Party: | Republican |
Jack B. Horner (March 24, 1922 - July 10, 2009)[1] was a Republican member of the Pennsylvania House of Representatives.[2]
Horner was a graduate of Colgate University and Dickinson School of Law. During World War II he served in the Unitecd States Army Air Forces. He first served in elected office as a member of the Elizabethtown Area School Board. He served four terms in the state legislature from 1965-1973.[3]