List of Famous people with last name Mahaffy

Leslie Erin Mahaffy was a Canadian murder victim of killers Paul Bernardo and Karla Homolka. At the time of her death, she was a resident of Burlington, Ontario and a Grade 9 student at M.M. Robinson High School. Mahaffy's kidnapping was one in a series of disappearances of Ontario schoolgirls in the early 1990s, including Kristen French, also a victim of Bernardo and Homolka. Prior to killing Mahaffy in 1991 and French in 1992, the pair had raped and killed Homolka's teenaged sister Tammy in 1990. The disappearances, arrests, and convictions were widely covered in Canadian media, becoming one of the most notorious crimes in Canadian history.

Sir John Pentland Mahaffy was an Irish classicist and polymathic scholar.