This is a compilation of 17 Japan Guinness records in 2012. You may want to take a look at our complete list of Japan Guinness Records broken down by year.
| When | Record name | What | Who |
|---|---|---|---|
| 28 December 2012 | Oldest person ever (male) | 116/54 year(s):day(s) | Jiroemon Kimura |
| 08 December 2012 | Most people singing in a round (multiple venues) | 2200 people | Nippon Telegraph and Telephone West Corporation (NTT WEST) |
| 18 November 2012 | Most people playing a board game simultaneously | 3148 people | Japan Shogi Association, Japan Tobacco Inc., Table Mark Co., Ltd. |
| 25 August 2012 | Most people in a thumb wrestling chain | 957 people | Junior Chamber International Osaka |
| 05 August 2012 | Most consecutive Double Dutch-style skips (team) | 1401 total number | alttype |
| 29 July 2012 | Largest hiyashi chūka | Jin Corporation | |
| 12 July 2012 | Thinnest handmade chinese noodle | 0.22 millimetre(s) | Hiroshi Kuroda |
| 13 June 2012 | Most layers in a printed circuit board | Denso Corporation | |
| 06 May 2012 | Fastest time to build a wanko pyramid | Kamyu Mori | |
| 01 May 2012 | Most bouncy balls scooped in 30 seconds | 29 total number | Emiko Hanada |
| 22 April 2012 | Most musicians to play the same piano (relay) | 103 people | Kuniko Teramura |
| 31 March 2012 | Largest golf store chain | Golf Partner Co. Ltd. | |
| 28 February 2012 | Most TV commercials for the same product (24 hrs) - national/Free-to-air | Asahi Wonda | |
| 21 February 2012 | Most pearls on a wedding dress | Yumi Katsura | |
| 16 February 2012 | Most juggling catches whilst suspended - three objects | 1769 total number | Araki Terumi |
| 10 February 2012 | Largest chocolate candy sculpture | Namba Walk | |
| 01 January 2012 | Most complete changeovers juggling three objects in one minute (leaping) | 13 total number | Matt Baker, Joe Ricci |