Theodore Beowulf Sheehan (born November 8, 1968) is an American photographer known for portraits of authors, artists, and celebrities.

Limited in physical activities because of asthma, his early years were spent reading books and learning about art.

In high school he photographed Miami Dolphins games and realized his love of the craft.

[2][11][12][13] After studying at New York University and International Center of Photography, Beowulf assisted other photographers while working predominantly in fashion for six years.

The Author Photo: Portrait Photographer Beowulf Sheehan on a Life Capturing Writers, a short film by Claire Ince and Ancil McKain, was named an official selection of the 2020 Venice Institute of Contemporary Art Fine Arts Film Festival.