Asphaera is a genus of flea beetles in the family Chrysomelidae, containing some 130 species, found in North America, Central America, and the Neotropics.

Selected species: 

• Asphaera abdominalis (Chevrolat, 1835)
• Asphaera bitaeniata (Jacoby, 1880)
• Asphaera cruciata (Olivier, 1808)
• Asphaera discicollis Jacoby, 1905
• Asphaera fuscofasciata Jacoby, 1905
• Asphaera lustrans (Crotch, 1873) (shiny flea beetle)
• Asphaera magistralis
• Asphaera meticulosa
• Asphaera nobilatata (Fabricius, 1887)
• Asphaera paralleloptera (Bezzi, 1913)
• Asphaera quadrifasciata
• Asphaera reflexicollis Bechyne
• Asphaera separata (Harold, 1881)
• Asphaera umbraticus (Olivier, 1808)
• Asphaera vernalis Jacoby, 1905
• Asphaera weyrauchi Bechyne