Thomas William Fowler (June 10, 1951 – July 2, 2024) was an American bass guitarist. Born in Salt Lake City, Utah, he started playing the violin at age six, before picking up the upright bass, and finally electric bass at age 16. He played with It's a Beautiful Day, Frank Zappa, The Mothers of Invention, Jean-Luc Ponty, Ray Charles, Steve Hackett, and many others. He had four brothers, including trombonist Bruce and trumpeter Walt Fowler.

Fowler also recorded albums with Air Pocket, a band including his siblings among others. Fowler died following complications from an aneurysm on July 2, 2024, at the age of 73.