Billy Jean Sparks is a pre-made Sim who works as a Communications professor at Sims University. She can be made playable by either marrying her or by asking her to move in.
- Her traits and lifetime wish are the same of Debbie Richards, who is also a professor in Sims University.
- Her name is possibly a reference to Michael Jackson's song "Billie Jean".
- A book named "Basic Body Types and The Sports That Love Them" from The Sims 3: University Life was written by Billy Jean Sparks.