Science Fiction Quarterly was an American pulp science fiction magazine that was published from 1940 to 1943 and again from 1951 to 1958. Charles Hornig served as editor for the first two issues; Robert A. W. Lowndes edited the remainder. Science Fiction Quarterly was launched by publisher Louis Silberkleit during a boom in science fiction magazines at the end of the 1930s. Silberkleit launched two other science fiction titles at about the same time: all three ceased publication before the end of World War II, falling prey to slow sales and paper shortages. In 1950 and 1951, as the market improved, Silberkleit relaunched Future Fiction and Science Fiction Quarterly. By the time Science Fiction Quarterly ceased publication in 1958, it was the last surviving science fiction pulp magazine, all other survivors having changed to different formats.

Robert Augustine Ward "Doc" Lowndes was an American science fiction author, editor and fan. He was known best as the editor of Future Science Fiction, Science Fiction, and Science Fiction Quarterly, among many other crime-fiction, western, sports-fiction, and other pulp and digest sized magazines for Columbia Publications. Among the most famous writers he was first to publish at Columbia was mystery writer Edward D. Hoch, who in turn would contribute to Lowndes's fiction magazines as long as he was editing them. Lowndes was a principal member of the Futurians. His first story, "The Outpost at Altark" for Super Science in 1940, was written in collaboration with fellow Futurian Donald A. Wollheim, uncredited.