Pediocactus winkleri, commonly known as Winkler's cactus or Winkler's pincushion cactus, is a small cactus endemic to the state of Utah in the United States. It is known only from Emery and Wayne Counties. The cactus is shaped like a small ribbed ball. It has 9 to 14 short radial spines each 1.5 – 4 mm long. The flowers range from peach to pink in color. The cactus is cold-hardy and are native to high altitude sandy hilltops and slopes.