From A Wiki of Ice and Fire
George R.R. Martin's world of Song of Ice and Fire, contains hundreds of complex and vivid characters, spanning multiple storylines and continents played by lords, bastards, knights, ladies, and children. With dozens of POV Characters, through whose eyes the story is told.
Note: If you are not yet up to date with the books, then caution is recommended while browsing the recent sections of the character pages.
Characters by Affiliation
Characters By Region