Marisa Musu (18 April 1925 – 3 November 2002) was an Italian anti-fascist resistance fighter, journalist and political activist.

Most notablly on March 23 Rosa participated in the attack on the German Bozen police battalion in Via Rasella, covering the Capponi group.

[2] Musu was captured by the police on April 7, together with Pasquale Balsamo and Ernesto Borghesi; fortunately the commissioners Antonio Colasurdo and De Longis, who were in connection with the CLN, make them pass for a gang of common robbers, causing them to be locked up in the Regina Coeli prison.

Since 1976, at the initiative of Gianni Rodari, Musu established the "Democratic Coordination of Parents", which was engaged in the practice and promotion of anti-fascist, secular and democratic values in schools; headed this Coordination for several years, and soon became the chief editor of the monthly newspaper "Il giornale dei Genitori".

[1] Musu was also a member of the executive committee of the National Association of Italian Partisans and was vice-president of the Rome branch of the Association, member of the National Council of Users, head of the Committee "Television for Youth", member of the Film Review Committee, vice-president of the World Federation of Democratic Youth, chairman of the Association of Italian Girls and a long-term adviser to the leadership of the Rome branch of the Italian Communist parties.