Is bacitracin 500 ointment the same as the neosporin white ointment?

Not quite: Commonly sold over-the-counter antibacterial topical medications (such as ointment for skin) include: (1) Neosporin or Triple Antibiotic containing bacitracin, neomycin, and polymyxin B; (2) Polysporin or Double Antibiotic containing bacitracin and polymyxin B; and (3) bacitracin as a single ingredient. Others exist, such as neomycin as a single ingredient, or neomycin plus polymyxin B, etc...