| Directed by: | John Over |
| Written by: | Baz Hawkins |
| Release date: | January 22, 2001 |
| Running time: | 11 minutes |
| Rating: | TV-Y |
| Available on: | VHS DVD |
"Clifford's Big Heart" is the first Valentine's Day-themed episode of PBS Kids animated television series Clifford the Big Red Dog, originally aired with "T-Bone, Dog About Town" during the show's first season.