| Player | Pos | Span | Mat | Start | Sub | Won | Lost | Draw | % |
|---|---|---|---|---|---|---|---|---|---|
| JT Ives | 2011-2015 | 32 | 20 | 12 | 27 | 5 | 0 | 84.37 | |
| H Yuhara | H | 2010-2015 | 22 | 8 | 14 | 18 | 4 | 0 | 81.81 |
| S Makabe | L,F | 2010-2018 | 36 | 20 | 16 | 28 | 7 | 1 | 79.16 |
| T Hirose | W,FH | 2012-2015 | 27 | 18 | 9 | 21 | 6 | 0 | 77.77 |
| M Mikami | 2013-2016 | 33 | 27 | 6 | 25 | 8 | 0 | 75.75 | |
| Y Fujita | 2012-2017 | 30 | 20 | 10 | 22 | 7 | 1 | 75.00 | |
| A Yamada | 2013-2018 | 24 | 23 | 1 | 18 | 6 | 0 | 75.00 | |
| H Yamashita | P | 2012-2015 | 41 | 17 | 24 | 30 | 11 | 0 | 73.17 |
| K Uchida | 2012-2017 | 22 | 7 | 15 | 16 | 6 | 0 | 72.72 | |
| R Holani | BR | 2010-2016 | 36 | 31 | 5 | 26 | 10 | 0 | 72.22 |
| T Kizu | H | 2010-2016 | 43 | 18 | 25 | 31 | 12 | 0 | 72.09 |
| A Goromaru | FB | 2010-2015 | 46 | 46 | 0 | 33 | 13 | 0 | 71.73 |
| M Sa'u | 2013-2016 | 27 | 27 | 0 | 19 | 8 | 0 | 70.37 | |
| L Thompson | L | 2010-2017 | 45 | 35 | 10 | 31 | 13 | 1 | 70.00 |
| H Ono | L | 2010-2016 | 61 | 47 | 14 | 42 | 18 | 1 | 69.67 |
| H Hirashima | P | 2010-2015 | 31 | 18 | 13 | 21 | 9 | 1 | 69.35 |
| S Ito | 2012-2015 | 35 | 17 | 18 | 24 | 11 | 0 | 68.57 | |
| MG Leitch | F | 2010-2018 | 47 | 45 | 2 | 31 | 14 | 2 | 68.08 |
| A Hiwasa | 2011-2015 | 51 | 25 | 26 | 34 | 16 | 1 | 67.64 | |
| H Tatekawa | 2012-2018 | 54 | 49 | 5 | 35 | 18 | 1 | 65.74 | |
| MJ Broadhurst | 2012-2015 | 26 | 24 | 2 | 17 | 9 | 0 | 65.38 | |
| Y Tamura | 2012-2018 | 50 | 37 | 13 | 32 | 17 | 1 | 65.00 | |
| HF Tui | 2012-2017 | 40 | 28 | 12 | 26 | 14 | 0 | 65.00 | |
| K Hatakeyama | P | 2010-2016 | 68 | 48 | 20 | 43 | 24 | 1 | 63.97 |
| S Horie | H,BR | 2010-2018 | 56 | 50 | 6 | 34 | 20 | 2 | 62.50 |
| F Tanaka | SH | 2010-2018 | 53 | 47 | 6 | 32 | 19 | 2 | 62.26 |
| K Ono | C,FH | 2012-2016 | 29 | 21 | 8 | 18 | 11 | 0 | 62.06 |
| T Kikutani | BR | 2010-2014 | 40 | 34 | 6 | 24 | 15 | 1 | 61.25 |
| K Matsushima | 2014-2018 | 30 | 26 | 4 | 16 | 13 | 1 | 55.00 | |
| RT Nicholas | C,FH | 2010-2012 | 21 | 20 | 1 | 11 | 9 | 1 | 54.76 |
| H Onozawa | FB,W | 2010-2013 | 27 | 24 | 3 | 14 | 12 | 1 | 53.70 |
| K Fukuoka | 2013-2018 | 26 | 22 | 4 | 13 | 12 | 1 | 51.92 | |
| K Inagaki | 2014-2018 | 22 | 16 | 6 | 10 | 11 | 1 | 47.72 | |
| LA Mafi | 2014-2018 | 22 | 17 | 5 | 10 | 11 | 1 | 47.72 |
Minimum of 20 matches; drawn matches count as half a win in the percentage
| Records include the following current or recent matches: |
|
Japan v Scotland at Yokohama, Rugby World Cup, Oct 13, 2019 [0-0] |
|
Japan v Ireland at Shizuoka, Rugby World Cup, Sep 28, 2019 [0-0] |
|
Japan v Russia at Tokyo, Rugby World Cup, Sep 20, 2019 [0-0] |