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.