Douglas Lee Dorman (September 15, 1942 - December 21, 2012) was an American bass guitarist best known as a member of the rock band Iron Butterfly. He also played in the band Captain Beyond. Dorman was from St. Louis, Missouri, and moved to San Diego, California in the 1960s. He began playing bass guitar in his teens. While recording In-A-Gadda-Da-Vida, Dorman assisted Erik Brann with the arrangement of Brann's song "Termination," and was given a co-writing credit. Dorman died of natural causes in his car in Laguna Niguel, California.

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