Countering Violent Extremism Grant Program Act of 2015

Countering Violent Extremism Grant Program Act of 2015 Amends the Homeland Security Act of 2002 to direct the Department of Homeland Security to establish a grant program to assist eligible community groups and organizations in establishing counter-messaging campaigns targeting violent extremism. Bars grant eligibility to a community group or organization that has knowingly funded activities related to violent extremism or organizations known to engage in such activities. Defines "violent extremism" to mean ideologically motivated terrorist activities.