Heza is a genus of assassin bugs belonging to the family Reduviidae. Spedies of this genus are found in the Americas.

Species: There are currently more than 30 described species that belong to the genus Heza:

• Heza acantharis (Linnaeus, 1767)
• Heza angulifer Barber, 1939
• Heza angustata Bruner, 1931
• Heza aurantia Maldonado, 1976
• Heza azteca Maldonado & Brailovsky, 1983
• Heza bahamensis Maldonado, 1983
• Heza binotata (Lepeletier & Serville, 1825)
• Heza canizaresi Bruner, 1946
• Heza clavata (Guérin-Méneville, 1857)
• Heza cubana Grillo, 1989-01
• Heza ephippium (Lichtenstein, 1797)
• Heza ferox Stål, 1863
• Heza funebris Maldonado, 1983
• Heza fuscinervis Champion, 1899
• Heza haitiana Maldonado, 1976
• Heza havanensis Bruner, 1931
• Heza insignis Stål, 1859
• Heza jamaicensis (Distant, 1903)
• Heza leucothorax Maldonado, 1976
• Heza maldonadoi Bérenger, 2007-01
• Heza multiannulata Stål, 1860
• Heza multiguttata Champion, 1899
• Heza ocellata Maldonado, 1976
• Heza oculata Stål, 1859
• Heza ondulata Maldonado, 1983
• Heza ornata Maldonado, 1976
• Heza perarmata (Kirby, 1901)
• Heza polita Maldonado, 1976
• Heza pulchripes Stål, 1859
• Heza punctigera (Herrich-Schaeffer, 1835)
• Heza rubra Maldonado, 1976
• Heza rubromarga Maldonado, 1976
• Heza scutellata Maldonado, 1983
• Heza sericans Stål, 1859
• Heza signoreti (Fallou, 1887)
• Heza similis Stal, 1859
• Heza sphinx Stål, 1863
• Heza ventralis Stål, 1872