That's an Interesting Thought...

...all predicated on, first: if Carole is staying. And let's not forget Carole has a pertty darn good track record with posts...(Achonwa, Turner and Shepard all in the WNBA)

That said, Ruth Riley Hunter has a pretty good gig with the Miami Heat.Does she and her husband want to leave South Beach? (How tight is she with Niele?)

There are other former ND posts actively coaching: Melissa D'Amico down at Wake Forest and Ariel Braker (Lehigh, now Midland?) or Markesha Wright (Drake).

My off the wall choice would be on person that's never coached before: Dev Peters.
I have no idea whatsoever whether she can/would want to coach, but she was a hard worker, has played pro ball, has huge street and internet cred with younger players and most certainly knows Niele.