The following passengers on board the Mavi Marmara are known to be involved in terrorist activity. The Mavi Marmara attempted to break the maritime closure on the Gaza Strip on Monday, May 31st 2010, and was boarded by Israel Navy forces.

Fatimah Mahmadi (born 1979), is a United States resident of Iranian origin, and an active member of the organization "Viva Palestine", she attempted to smuggle forbidden electronic components into the Gaza Strip.

Ken O'Keefe (Born 1969), an American and British citizen, is a radical anti-Israel activist and operative of the Hamas Terror organization. He attempted to enter the Gaza Strip in order to form and train a commando unit for the Palestinian terror organization.

Hassan Iynasi (born 1982), a Turkish citizen and activist in a Turkish charity organization, is known of providing financial support to the Palestinian Islamic Jihad Terror organization.

Hussein Urosh, a Turkish citizen and activist in the IHH organization, was on his way to the Gaza Strip in order to assist in smuggling Al-Qaeda operatives via Turkey into the Strip.

Ahmad Umimon (born 1959), is a French citizen of Moroccan origin, and an operative of the Hamas Terrorist organization.