William "Bill" Rotsler (July 3, 1926 - October 8, 1997) was an American author of several science fiction novels and short stories; television and film novelizations; and a number of non-fiction works on a variety of topics, ranging from Star Trek to pornography; a prominent member of science fiction fandom; and an artist and sculptor, primarily in metal, who contributed to the art at the entrance to the Los Angeles Police Department headquarters