Strongest-K Tag Team Championship

The Strongest-K Tag Team Championship is a tag team championship in the Japanese professional wrestling promotion, Kaientai Dojo. It has existed since 2005, and it is currently inactive.

Reigns
There are a total of 41 reigns and 3 vacancies, shared between 32 different teams consisting of 29 distinctive champions. The last champions were Kaji Tomato and Taishi Takizawa before the titles were deactivated.

Combined reigns
{| class="wikitable sortable" style="text-align: center" !Rank !Team !No. of reigns !Combined days !1 !2 !3 !4 !5 !6 !7 !8 !9 !10 !11 !12 !13 !14 !15 !16 !17 !18 !rowspan=2|19 !20 !21 !22 !23 !rowspan=2|24 !26 !27 !28 !29 !30 !31 !32
 * Omega (Makoto Oishi and Shiori Asahi) || 3 || 486
 * Hiroki and Kengo Mashimo || 1 || 420
 * Handsome (Handsome Joe and Taka Michinoku) || 2 || 355
 * Kazma and Kengo Mashimo || 1 || 344
 * Kaji Tomato and Taishi Takizawa || 3 || 298
 * Hiroki/Hi69 and Yuji Hino || 1 || 287
 * Handsome Joe and Yasu Urano || 1 || 277
 * Magatsuki (Kengo Mashimo and Yuki Sato) || 1 || 224
 * SFU (Kaji Tomato and Shiori Asahi) || 1 || 210
 * Sekitoba (Kotaro Yoshino and Taishi Takizawa) || 1 || 203
 * Omega (Saburo Inematsu and Yuji Hino) || 3 || 194
 * Kengo Mashimo and Ryuichi Sekine || 1 || 189
 * Magatsuki (Isami Kodaka and Tank Nagai) || 1 || 161
 * Kengo Mashimo and Taka Michinoku || 1 || 124
 * Little Galaxy Hiro Tonai and Shiori Asahi || 1 || 119
 * NEX4 (Ayato Yoshida and Kyu Mogami) || 1 || 112
 * Tank Nagai and Ayato Yoshida || 1 || 106
 * Monster Plant (Daigoro Kashiwa and Kengo Mashimo) || 1 || 100
 * Magatsuki (Kengo Mashimo and Kunio Toshima) || 1 || 98
 * Moonlight Express (Mao and Mike Bailey) || 1 || 98
 * Moonlight Express (Mao and Mike Bailey) || 1 || 98
 * Daigoro Kashiwa and Ricky Fuji || 1 || 92
 * Miyawaki and Yoshiya || 1 || 83
 * Hiroshi Fukuda and Shiori Asahi || 1 || 71
 * Ryuichi Sekine and Saburo Inematsu || 1 || 68
 * Magatsuki (Tank Nagai and Yuki Sato) || 1 || 56
 * Men's Teioh and Taka Michinoku || 1 || 56
 * Men's Teioh and Taka Michinoku || 1 || 56
 * Kazma Sakamoto and Kengo Mashimo || 1 || 55
 * Shiori Asahi and Makoto Oishi || 1 || 54
 * Dinosaur Takuma and Kotaro Yoshino || 1 || 50
 * Kaji Tomato and Taka Michinoku || 2 || 41
 * Kazma and Ryota Chikuzen || 1 || 33
 * Kengo Mashimo and Madoka || 1 || 29
 * Little Galaxy (Hiro Tonai and Yuki Sato) || 1 || 18

By wrestler
{|class="wikitable sortable" style="text-align: center" !Rank !Wrestler !data-sort-type="number"|No. of reigns !data-sort-type="number"|Combined days !1 !2 !3 !4 !5 !6 !7 !8 !9 !10 !11 !12 !13 !14 !15 !16 !17 !18 !19 !20 !rowspan=3|21 !24 !25 !26 !27 !28 !29 !30
 * Kengo Mashimo || 9 || 1,583
 * Shiori Asahi || 6 || 886
 * Hiroki/Hi69 || 2 || 707
 * Handsome Joe || 3 || 632
 * Taka Michinoku || 6 || 576
 * Kaji Tomato || 6 || 549
 * Taishi Takizawa || 4 || 501
 * Makoto Oishi || 3 || 486
 * Kazma/Kazma Sakamoto || 4 || 482
 * Yuji Hino || 4 || 481
 * Tank Nagai || 3 || 323
 * Yasu Urano || 1 || 277
 * Ryuichi Sekine || 2 || 257
 * Yuki Sato || 2 || 242
 * Ayato Yoshida || 2 || 218
 * Saburo Inematsu || 3 || 194
 * Daigoro Kashiwa || 2 || 192
 * Hiro Tonai || 2 || 137
 * Miyawaki || 2 || 133
 * Kyu Mogami || 1 || 112
 * Kunio Toshima || 1 || 98
 * Mao || 1 || 98
 * Mike Bailey || 1 || 98
 * Mike Bailey || 1 || 98
 * Mike Bailey || 1 || 98
 * Ricky Fuji || 1 || 92
 * Yoshiya || 1 || 83
 * Hiroshi Fukuda || 1 || 71
 * Men's Teioh || 1 || 56
 * Dinosaur Takuma || 1 || 50
 * Ryota Chikuzen || 1 || 33
 * Madoka || 1 || 29