This is a compilation of 49 Japan Guinness records in 2018. You may want to take a look at our complete list of Japan Guinness Records broken down by year.
| When | Record name | What | Who |
|---|---|---|---|
| 20 October 2018 | Most side head stall ball control tricks in one minute | 125 total number | Yuuki Yoshinaga |
| 19 October 2018 | Most people opening drink cans simultaneously | 1,204 people | NICHIBAN CO., LTD. |
| 19 October 2018 | Longest chain of kerchiefs | 12,000 total number | Blooming Nakanishi & Company |
| 17 October 2018 | Longest lasting AA alkaline battery cell | Panasonic Evolta Neo | |
| 14 October 2018 | Most games of shogi played simultaneously in one location | 2,362 total number | Tendo City |
| 13 October 2018 | Most contributions to a handprint painting in one hour | 1,877 people | Toyota Boshoku Corporation |
| 13 October 2018 | Largest rice cracker | 2.60 square metre(s) | The Committee of Inzai-Furusato-Festival |
| 07 October 2018 | Largest multi-sudoku puzzle | 280 total number | Dwango Co., Ltd., Wakara Co., Ltd., Sugakubunka Co., Ltd., Timeintermedia, Inc. |
| 06 October 2018 | Largest human image of a forklift truck | 903 people | Toyota Material Handling Company, a division of Toyota Industries Corporation |
| 05 October 2018 | Largest guitar pick/plectrum sentence | 3239 total number | Yuzunowa |
| 30 September 2018 | Most people making protein shakes simultaneously | 299 people | be LEGEND Real Style |
| 24 September 2018 | Most football neck catches in one minute | 40 total number | Yuuki Yoshinaga |
| 23 September 2018 | Largest rugby scrum | 2,586 people | Young Entrepreneurs Group Toyota |
| 16 September 2018 | Longest seaweed jelly | 107.00 metre(s) | Ihama Advancement Association |
| 16 September 2018 | Most soup served in 8 hours | 12695 people | The Biggest Imoni Festival |
| 09 September 2018 | Most people making dove hand gestures | 657 people | Kinki Union council of Ready-mixed concrete Staff, West Japan Construction-related Owners Association |
| 03 September 2018 | Most playable characters in a hack-and-slash videogame | 170 total number | KOEI TECMO GAMES CO.,LTD. |
| 26 August 2018 | Most skips over a rope in 24 hours | 151,409 total number | Hijiki Ikuyama |
| 25 August 2018 | Most balloons burst by sitting in one minute | 123 total number | Saori Yoshida |
| 17 August 2018 | Fastest railway model | 44.82 kilometre(s) per hour | Yoshiaki Egawa |
| 12 August 2018 | Largest floating raft - plastic | 21.817 square metre(s) | Junior Chamber International Otaru |
| 11 August 2018 | Most sparklers lit simultaneously | 1,713 people | Takarazuka 230,000 fireworks display committee |
| 29 July 2018 | Most people drumming barrels simultaneously | 1,171 people | Mitsuke City |
| 14 July 2018 | Most varieties of hydrangea on display | 372 total number | Jupia Land Hirata |
| 08 July 2018 | Largest rugby union lesson | 602 people | Tokai University Rugby Football Club with Rugby Family |
| 01 July 2018 | Longest line of edible fish | 3287 total number | Numazu Dried Fish Organization |
| 24 June 2018 | Fastest 100 km ultra distance (male) | 6:09:14 hour(s):minute(s):second(s) | Nao Kazami |
| 24 June 2018 | Fastest road run 100 kilometres (male) | 6:09:14 hour(s):minute(s):second(s) | Nao Kazami |
| 24 June 2018 | Largest trading card mosaic (image) | 75.558 square metre(s) | Bushiroad Inc. |
| 23 June 2018 | Most touches of a football with the soles in one minute | 402 total number | Yuuki Yoshinaga |
| 19 June 2018 | Largest LED sculpture | 51,000 total number | Motoo Maruta |
| 19 June 2018 | Most high fives given by a mascot in one minute | 194 total number | Garfield |
| 18 June 2018 | Largest water surface projection | 2400.29 square metre(s) | Motoo Maruta |
| 17 June 2018 | Most pairs feeding each other simultaneously | 1980 pair(s) | Nihon University Mishima Senior and Junior High School |
| 10 June 2018 | Largest display of origami citrus fruits | 5,555 total number | MARK IS Minatomirai |
| 09 June 2018 | Largest drink coaster mosaic (image) | 83.37 square metre(s) | Hayame Kappa Festival Executive Committee |
| 21 April 2018 | Most skips over a 10 m rope in 30 seconds | 26 total number | Hijiki Ikuyama |
| 14 April 2018 | Most people jumping over a vaulting box consecutively | 101 people | Right Tsushin |
| 10 April 2018 | Oldest person living (male) | 112:259 year(s):day(s) | Masazo Nonaka |
| 08 April 2018 | Longest-running TV music talent show | 65:24 year(s):day(s) | Nodo Jiman |
| 28 March 2018 | Largest dessert decoration lesson (single venue) | 2,095 people | MORINAGA MILK INDUSTRY CO., LTD. |
| 18 March 2018 | Largest kakiage (mixed tempura) | 7.065 kilogram(s) | Youth League of The Kambara Society of Commerce and Industry |
| 11 March 2018 | Largest women's marathon | 21,915 people | Nagoya Women’s Marathon 2018 |
| 20 February 2018 | Most people simultaneously throwing napkins | 1370 people | Philips Japan |
| 10 February 2018 | Most people popping party poppers | 3,043 people | Hitachi, Ltd., Systems & Services Business |
| 05 February 2018 | Most consecutive Japanese No.1 singles from debut | 39 total number | KinKi Kids |
| 05 February 2018 | Most people to pass an egg | 283 people | Aomori Toyopet Co., Ltd. |
| 03 February 2018 | Smallest orbital rocket | 9.54 m tall and 0.52 m in diameter dimension(s) | SS-520-5, JAXA |
| 22 January 2018 | Most efficient combined cycle power plant | 63.08 percentage | Toshiba Energy Systems & Solutions Corporation, Chubu Electric Power Co., Inc. |