Achryson is a genus in the longhorn beetle that belongs to the tribe Achrysonini. Members of this genus are mainly found in the Neotropical realm.

Species: There are currently about 17 described species that belong to genus Achryson. They are listed below:

• Achryson chacoense Di Iorio, 2003 (Argentina)
• Achryson foersteri Bosq, 1953 (Argentina, Brazil, Paraguay, and Uruguay)
• Achryson immaculipenne Gounelle, 1909 (South America)
• Achryson jolyi Monné, 2006 (Venezuela)
• Achryson lineolatum Erichson, 1847 (South America)
• Achryson lutarium Burmeister, 1865 (South America)
• Achryson maculatum Burmeister, 1865 (South America)
• Achryson maculipenne (Lacordaire, 1963) (South America)
• Achryson meridionale Martins, 1976 (Brazil)
• Achryson peracchii Martins, 1976 (Brazil)
• Achryson philippii Germain, 1898 (Chile)
• Achryson pictum Bates, 1870 (South America)
• Achryson quadrimaculatum (Fabricius, 1793) (Central and South America, Caribbean)
• Achryson surinamum (Linné, 1767) (the Americas)
• Achryson undulatum Burmeister, 1865 (Uruguay, Argentina, Paraguay, and Brazil)
• Achryson uniforme Martins & Monné, 1975 (Bolivia and Paraguay)