Mary Bell (disambiguation)

Mary Bell is a woman who at age 11 was convicted of the manslaughter of two little boys.

Mary Bell may also refer to:

• Mary A. Bell (1873–1941), African-American artist
• Mary Hayley Bell (1911–2005), English actress, writer and dramatist
• Floral Magician Mary Bell, a 1992 anime series, or its title character, Mary Bell
• Marybell, a main character in the manga Poe no Ichizoku by Moto Hagio
• Marybell, a manga by Kimiko Uehara
• Mary Bell (aviator) (1903–1979), Australian aviator