These are the grants and funding available for projects and research in the cancer field. For more information see the embedded links.

National Cancer Institute (current and recent requests)
http://deais.nci.nih.gov/foastatus/

Worldwide cancer research (twice a year)
http://www.worldwidecancerresearch.org/funding/make-an-application

American cancer society (ongoing deadlines)
http://www.cancer.org/research/applyforaresearchgrant/granttypes/index