The following is a list of persons who know Batgirl's secret identity as Barbara Gordon, daughter of Commissioner James Gordon.
| Person/Entity | First Learned/Established in | Notes |
|---|---|---|
| Gil Mason | Batman: TAS, "Shadow of the Bat Part II" | Falls into a coma. Current condition is unknown. |
| Alfred Pennyworth | The New Batman Adventures, "Sins of the Father" | Chronologically, in the flashback in The New Batman Adventures episode "Old Wounds". |
| Bruce Wayne/Batman | The New Batman Adventures, "Sins of the Father" | Chronologically, in the flashback in The New Batman Adventures episode "Old Wounds". |
| Dick Grayson/Robin/Nightwing | The New Batman Adventures, "Old Wounds" | He discovered that Barbara was working as Batgirl with Batman when he appeared to help the Bat Family to defeat the Joker and frustrate his plans. |
| Tim Drake/Robin | The New Batman Adventures, "Sins of the Father". | He saw Barbara at the Batcave during his training, discovering her identity as Batgirl. |
| Kara In-Ze /Kara Kent/Supergirl | The New Batman Adventures, "Girl's Night Out" | After she rescued Barbara from Livewire, they went to Barbara's apartment, where the two revealed each other's identities. |
| Batman (Terry McGinnis) | Batman Beyond, "A Touch of Curaré" | Showed up in the Batcave in front of Terry and commented on Bruce repairing her suit for display. |
Conjectural
The following is a list of persons whose knowledge of Batgirl's secret identity has been hinted at, but not established.
| Person/Entity | First Learned/Established in | Notes |
|---|---|---|
| James Gordon | The New Batman Adventures, "Over the Edge" | Stops Barbara from telling him her secret because he can't acknowledge her recent "job." |