Sure they can. Harry Keogh, the Necroscope, did. Many times. Willow too from BtVS. 
- Edit 1
- Edit 1Before modification by Bookwyrm at 02/07/2011 02:23:46 PM
What good is necromancy if you can't even bring back people from the dead. Best way to "defang" a vamp is resurrect him/her, unless you're gonna stake'm.