William C. "Will" Weng (February 25, 1907 – May 2, 1993) was an American journalist and crossword puzzle constructor who was the crossword puzzle editor for The New York Times from 1969 to 1977.^[1]

Born in Terre Haute, Indiana, he attended Indiana State Teachers College. He moved to New York City in 1927. He received a master's degree from the Columbia University School of Journalism and joined the Times in 1930 as a reporter. He was a lieutenant commander in the United States Navy during World War II.^[2]

Weng occasionally assisted the New York Times puzzle editor, Margaret Farrar, and published his first crossword in the newspaper in 1963.^[1] He succeeded Farrar as crossword editor in early 1969 and was himself succeeded by Eugene T. Maleska when he retired on his 70th birthday in 1977.^[1][2] After leaving the New York Times he became the editor for a start-up crossword puzzle venue called The Crosswords Club, preparing five Sunday-size crosswords every month for distribution to subscribers.

Weng died of throat cancer in Manhattan.^[1][2]