Rennell is a family name which has also been used geographically and may refer to:
| This page or section lists people with the surname Rennell. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. |
| This disambiguation page lists articles about distinct geographical locations with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. |