Tennessee (yes)
Tennessee allows raffles for charities – See the following:
Tenn. Code Ann.§ 3-17-101 et seq Secretary of State
http://www.tennessee.gov/sos/charity/gaming/gaming_faq.htm#2
Potential Issues:
Raffles, reverse raffles, cakewalks, and cakewheels, etc are allowed, but bingo, pulltabs, punchboards are not.
There is also an application requirement with a sliding fee scale.