Nancy Ann Seaman (née D'Onofrio; born May 13, 1952) is an American woman and former teacher at Longacre Elementary School in Farmington Hills, Michigan, who was convicted of first-degree murder in 2005 for killing her husband with a hatchet. Jurors rejected her argument that she killed her husband in self-defense and decided that the murder was premeditated. She is currently serving her life sentence at the Women's Huron Valley Correctional Facility.