Marie Panayotopoulos-Cassiotou, Greek politician
Marie Panayotopoulos-Cassiotou (born 29 July 1952 in Chios)

is a Greek politician and was a Member of the European Parliament (MEP) with the New Democracy from 2004 to 2009, (part of the European People's Party).

As a member of the European Parliament Mrs Panayotopoulos was vice-chair of the European Parliament's Committee on Petitions. She had a seat in its Committee on Employment and Social Affairs, its Committee on Women's Rights and Gender Equality and had a substitute seat for the Committee on Legal Affairs.In 2008 she won the Parliament Magazine MEP Award in the category of Employment and Social Affairs.