Saitama at-large district is a three-member constituency of the House of Councillors, the upper house of the national Diet of Japan. It consists of Saitama and elects three Councillors for six-year terms every three years by single non-transferable vote.
Until a reapportionment in the 1990s, effective in the 1995 and 1998 Councillors elections, Saitama was a two-member district electing a total of four Councillors.
|- style="background-color:#E9E9E9" ! colspan="3" style="text-align:left;" |Party total seats ! style="text-align:center;" | Won ! style="text-align:center;" | Total ! style="text-align:center;" | Change |- | |colspan=2|Liberal Democratic |align=right|1 |align=right|2 |align=right| |- | |colspan=2|Constitutional Democratic |align=right|1 |align=right|2 |align=right| |- | |colspan=2|Democratic Party For the People |align=right|1 |align=right|1 |align=right|1 |- | |colspan=2|Sanseità  |align=right|1 |align=right|1 |align=right|1 |- | |colspan=2|Kà Âmeità  |align=right|0 |align=right|1 |align=right|1 |- | |colspan=2|Independent |align=right|0 |align=right|1 |align=right| |- | |colspan=2|Communist |align=right|0 |align=right|0 |align=right|1 |- |- style="background-color:#E9E9E9" ! colspan="3" style="text-align:right;" |Total |align=right|4 |align=right|8 |align=right|N/A
Party affiliations as of election day; #: resigned to run in Saitama gubernatorial election; â : died in office.
House of Councillors: Alphabetical list of former Councillors