Nancy Splittstoesser is a character in The Broom of the System. She was a student at Mount Holyoke at the same time as Mindy Metalman and Clarice Beadsman.

According to Sue Shaw, Nancy was raped or sexually assaulted soon before Thanksgiving 1980, on a path by the Widget House.

Later, in 1981, Nancy was the subject of gossip for being inferred as in a homosexual relationship with Pat Proctor, while also engaged to a man.