- Olsen, Johnny - Los Angeles photographer. Contact info, rates, bio, personal messages, portfolios of men, women, children, head shots, and fine art photographs.
- O'Malley, Hugh - London photographer, director of Soma Studios. Site includes portfolios of fashion, portrait and event photography, information on rental of studio space and equipment, and contact information.
- O'Neill, Gavin - Photographer based in New Zealand and Australia. Bio, contact information, client area, and nude, features, and fashion (editorial, catalogue, and beauty) portfolios.
- Otten, Frank - New York photographer. Contact information and slideshow of portfolio.
