Edward Wallace Neal Loos (July 31, 1893 – July 9, 1950) was an American professional golfer who played in the early-to-mid 20th century. His best performance in a major golf championship was a T10 finish in the 1924 U.S. Open. He won the 1917 Shawnee Open, the 1921 California State Open, and the Illinois PGA Championship in 1922 and 1924. Loos was a frequent competitor in the PGA Championship, last playing in 1935. He had 13 second-place finishes on the PGA Tour after 1915.