Osborne, Martyn H
- Portfolio featuring landscape and wildlife images from around the world.
- http://www.inspiredbytravel.com/

Oddone, Gigi
- Collection of images from Sri Lanka, Bali, Thailand, Mexico, Greece, and London.
- http://digilander.libero.it/travelphoto/

Otte, Christian
- Scenic photographs in color and black and white from Europe and the United States.
- http://www.ottefoto.net/

Oswalt, John
- Photographs from his many trips, including an overland tour from Istanbul to Cairo, another all across Africa, and a third to the Galapagos Islands.
- http://www.jao.com/