First Responders Support Act of 2009 - Amends the Omnibus Crime Control and Safe Streets Act of 1968 to:
Amends the Internal Revenue Code to allow a tax credit for up to $7,500 of the medical expenses paid or incurred by a public safety officer or a family member for injuries sustained while such officer was performing an official duty. Authorizes the Director of the Bureau of Justice Assistance to award grants for mental health services or counseling to public safety officers seriously injured in the line of duty and the family members of such officers who are killed or seriously injured in the line of duty.