Lenwood Ballard "Bill" Abbott, A.S.C. (13 June 1908 – 28 September 1985) was an American special effects expert, cinematographer, and cameraman.
He became the head of the Special Effects Department at 20th Century Fox in 1957, a post he held until retirement in 1970. He was called out of retirement, however, to work on the TV series M*A*S*H in 1972 (Abbott had worked on the film on which the series was based). Abbott was a member of the American Society of Cinematographers.