Alvin Peter "Pix" Pierson (1898 – 1974) was an American college football player and coach. He served as the head football coach at Fresno State College—now known as California State University, Fresno—in 1945 and again in 1949, compiling a record of 7–14–2.
Pierson played tackle on the freshman squad for Pomona College in 1917. He suffered a severe concussion during a game against Pomona High School on October 13, 1917. Pierson played for coach Andy Smith's California Golden Bears football "wonder teams" of the early 1920s. He then played for the Nevada Wolfpack.