Southern Kanto proportional representation block

The Southern Kantō proportional representation block (Hirei [daihyō] Minami-Kantō burokku (比例[代表]南関東ブロック)) is one of eleven proportional representation (PR) "blocks", multi-member constituencies for the House of Representatives in the Diet of Japan. It consists of Southern parts of the Kantō region covering Chiba, Kanagawa and Yamanashi prefectures. Following the introduction of proportional voting it initially elected 23 representatives in the 1996 general election, then 21 after the total number of PR seats had been reduced from 200 to 180, and 22 representatives since the reapportionment of 2002.

Summary of results
With a district magnitude of 22, Southern Kantō is the second largest PR block behind Kinki and gives smaller parties an opportunity to pick up seats.

Party names are abbreviated as follows (format: abbreviation, translated name, Japanese name, English name):
 * DPJ "Democratic Party", Minshutō, Democratic of Japan
 * LDP Liberal Democratic Party, Jiyūminshutō
 * Kōmeitō "Justice Party", Kōmeitō, New Justice Party Party
 * JCP Japanese Communist Party, Nihon Kyōsantō
 * SDP Social Democratic Party, Shakaiminshutō
 * NFP New Frontier Party, Shinshintō
 * LP Liberal Party, Jiyūtō
 * NSP New Socialist Party, Shin-shakaitō
 * LL Liberal League, Jiyū-rengō
 * HRP Happiness Realization Party, Kōfuku-jitsugen-tō

List of representatives
Note: Party affiliations as of election day.