Mainline Publications
| Status | Defunct, 1956 |
|---|---|
| Founded | 1953 |
| Founder | Jack Kirby Joe Simon |
| Country of origin | United States |
| Headquarters location | New York City |
| Key people | Nevin Fidler |
| Publication types | Comic books |
| Fiction genres | Horror/suspense, Western, Romance |
Mainline Publications, also called Mainline Comics, was a short-lived, 1950s American comic book publisher established and owned by Jack Kirby and Joe Simon.