Yes, some topical AB are available according to a quick online search

Some topical antibiotics can be purchased as over-the-counter (OTC) medicines.
However, it is always recommended that you consult a medical expert before purchasing and using any medication.
Topical antibiotics are used to treat skin wounds, scrapes, scratches, and minor burns.
They are available in ointment, cream, spray, or powder forms and are used to prevent infection in topical skin ailments.
Some over-the-counter topical antibiotics include: Bacitracin (Neosporin)
Polymyxin (Polysporin)
Neomycin (Neosporin Plus Pain Relief)
Pramoxine
Benzoyl peroxide (Proactiv)