E. Lloyd Du Brul (April 5, 1909 – July 24, 1996) was a world-renowned anatomist, physical anthropologist and educator, and the developer of the science of biomechanics of the head and neck. Du Brul, along with Harry Sicher, wrote the textbook Sicher's and Du Brul's Oral Anatomy, considered to be the definitive oral anatomy text (Ishiyaku EuroAmerica Inc., publisher). The book has been published in English, Italian, Japanese, Portuguese, and Spanish. Du Brul also authored or co-authored four other books and contributed to seven others, including writing the "Form and Function, Biological" section of the 15th edition of Encyclopædia Britannica, 1974. He contributed many articles, abstracts, and book reviews to scientific journals from the 1940s through the 1980s.