I'm having my very first giveaway of an e-book at this link (contest ends 12/15/12)
Once Upon A Time blog hop is at this link
Merry Menage Giveaway Hop is at this link
Hot Winter Nights Giveaway Hop is at this link (and yes, they seem to multiply like rabbits so be on the lookout at the various blogs, they tend to be participating in several blog hops sometimes!)
Visit the beautiful redesigned website at Night Owl Reviews! The Scavenger Hunt is at this link and the other contest page is at this link.
The Romance Reviews is having its YES (year-end splash) party at this link and there are also giveaways in the author forum
Romance Books '4' Us has its Jingle My Bells contest at this link.
Shiloh Walker is having a giveaway for an ARC of her upcoming release The Reunited at this link
Fresh Fiction has contests at this link
Coffee Time Romance has all kinds of contests at this link
Writerspace has contests at this link (they still hadn't put the December ones up when I just looked but that should change any time now)