The National Scholarships and Fellowships Program at Emory could be helpful in your search. This page includes a summary of the scholarships available.
The information is broken down (using the left navigation) into awards by discipline, awards by class year, awards for international students, awards for underrepresented students, and Emory Internal awards.
Emory College offers an Undergraduate Research Overview page that nicely sums up the various opportunities undergraduates have for research opportunities and grants.
See these grant opportunities for members of the Emory community from the Emory Center for Creativity & Arts.