Class of 2022: The Chiba at-large district (Japanese: 千葉県選挙区, Hepburn: Chiba-ken senkyoku) is a constituency that represents Chiba Prefecture in the House of Councillors in the Diet of Japan.

The constituency represents the entire population of Chiba Prefecture.

The district elects six Councillors to six-year terms, two sets of three each at alternating elections held every three years.

The district has 5,092,741 registered voters as of September 2015.

[2] The Councillors currently representing Chiba are: