Heliocidaris is a genus of sea urchins, part of the family Echinometridae.

This genus is typical of west Pacific Ocean (Japan to New Zealand), in particular in Australia. Some species are edible.

This genus contains 6 extant species and 1 fossil :

• Heliocidaris australiae (A. Agassiz, 1872)
• Heliocidaris bajulus (Dartnall, 1972)
• Heliocidaris crassispina (A. Agassiz, 1863)
• Heliocidaris erythrogramma (Valenciennes, 1846)
• Heliocidaris ludbrookae Philip, 1965 †
• Heliocidaris robertsi Lindley, 2004
• Heliocidaris tuberculata (Lamarck, 1816)

• 
  Heliocidaris erythrogramma
• 
  Heliocidaris tuberculata