Zephroniidae (sometimes misspelled "Zephronidae") is a family of giant pill millipedes in the taxonomic order Sphaerotheriida. They occur in southeast Asia from the Himalayas and China south and east to Sulawesi and to Australia, and also inhabit some Philippine islands.

Genera in the family Zephroniidae:

Bothrobelum Verhoeff, 1924 – monotypic, Borneo

Castanotherium Pocock, 1895 – 50 species, Indonesian Islands, Philippines

Castanotheroides Chamberlin, 1921 – 3 species, Philippines

Cryxus Leach, 1814 – monotypic, Asia

Cynotelopus Jeekel, 1986

Indosphaera Attems, 1935 – 2 species N. India, Myanmar

Kophosphaera Attems, 1935 – 5 species, N. India, Nepal

Leptoprotopus

Leptotelopus Silvestri, 1897 – monotypic, Myanmar

Prionobelum Verhoeff, 1924 – 8 species, Vietnam, SW China

Pulusphaera

Rajasphaera Attems, 1935 – monotypic, Borneo

Sphaerobelum Verhoeff, 1924 – 4 species, Vietnam

Sphaeropoeus Brandt, 1833 – 22 species, N. India, Myanmar, Malayan Peninsula, Java, Sumatra, Borneo

Tigridosphaera Jeekel, 2000 – 4 species, Malayan Peninsula

Zephronia Gray, 1832 – 37 species N. India, Myanmar, Malayan Peninsula, Java, Sumatra, Borneo

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