| Player | Team(s) | Year(s) | Games | Tries | Goals | GK% | FG | Points |
| KAHU, Jared | BRI | 2008 | 24 | 5 | 52 / 70 | 74.29% | – | 124 |
| KAHU, Jordan | BRI | 2010-11 | 23 | 11 | 2 / 2 | 100% | – | 48 |
| KAI, Michael | WST | 2012 | 3 | 2 | – | – | – | 8 |
| KAIFOTO, John | SOU | 2008 | 19 | 2 | – | – | – | 8 |
| KAIROUZ, Jon-Bernard | MAN | 2016 | 6 | 1 | – | – | – | 4 |
| KAIVELATA, Sione | SOU | 2009 | 3 | – | – | – | – | – |
| KALACHE, Kayne | CBY | 2016-17 | 23 | – | – | – | – | – |
| KAMANA, Joseph | MEL | 2011 | 1 | – | – | – | – | – |
| KAMIKAMICA, Tui | PAR | 2013-14 | 19 | 1 | – | – | – | 4 |
| KAMIRE, Jake | CBY | 2014-15 | 47 | 5 | – | – | – | 20 |
| KAMOTO, Robbie | PAR, CBY | 2012-14 | 47 | 12 | – | – | – | 48 |
| KAMUTA, Limoni | WST | 2010-11 | 40 | 17 | – | – | – | 68 |
| KARA, Kurt | WAR | 2008-09 | 31 | 7 | – | – | – | 28 |
| KARAURIA-HENRY, Brackin | CRO | 2008 | 9 | – | – | – | – | – |
| KARWHIN, Obed | WST | 2015-16 | 39 | 37 | – | – | – | 148 |
| KASIANO, Sam | CBY | 2010 | 22 | 11 | – | – | – | 44 |
| KATA, Simi | WAR | 2012 | 2 | – | – | – | – | – |
| KATA, Solomone | WAR | 2013-14 | 26 | 19 | 28 / 39 | 71.79% | – | 132 |
| KATOA, Sione (born 1995) | PEN | 2014-15 | 27 | 5 | – | – | – | 20 |
| KATOA, Sione (born 1997) | CRO | 2016-17 | 49 | 43 | – | – | – | 172 |
| KATOA, Tui | CBY | 2016-17 | 13 | 10 | – | – | – | 40 |
| KAUFUSI, Felise | NQL | 2010-12 | 34 | 1 | – | – | – | 4 |
| KAUFUSI, John | PEN | 2017 | 4 | – | – | – | – | – |
| KAUFUSI, Oregon | PAR | 2017 | 25 | 3 | – | – | – | 12 |
| KAUFUSI, Patrick | NQL | 2012-14 | 48 | 13 | – | – | – | 52 |
| KAUFUSI, Paula | PAR | 2014-15 | 17 | 1 | – | – | – | 4 |
| KAVANAGH, Jack | SGI | 2014-15 | 41 | 7 | – | – | – | 28 |
| KAVANAGH, Lincoln | SOU | 2013 | 6 | – | – | – | – | – |
| KAVAPALU, Nathan | SOU | 2011 | 1 | – | – | – | – | – |
| KAVEINGA, Viliami | WAR | 2013-14 | 13 | 2 | – | – | – | 8 |
| KAZZI, Andrew | WST | 2013-14 | 36 | 6 | – | – | – | 24 |
| KEARY, Luke | SOU | 2012 | 24 | 20 | – | – | – | 80 |
| KEATING, Kris | PAR | 2008 | 16 | 12 | – | – | – | 48 |
| KEENAN, Sam | NEW | 2013-14 | 13 | 3 | – | – | – | 12 |
| KEI, Samiuela | MAN | 2011 | 10 | 1 | – | – | – | 4 |
| KEIGHRAN, Adam | CBY | 2016-17 | 37 | 11 | 81 / 122 | 66.39% | – | 206 |
| KEIGHRAN, Brad | CBY | 2014-15 | 40 | 6 | 94 / 148 | 63.51% | 1 | 213 |
| KEIL, Fredrich | GLD | 2016 | 10 | 3 | – | – | – | 12 |
| KEIR, Daniel | CAN | 2016-17 | 15 | 1 | – | – | – | 4 |
| KELLEHER, Jack | NQL | 2012-14 | 49 | 6 | – | – | – | 24 |
| KELLERMEYER, Thane | BRI | 2017 | 13 | 3 | – | – | – | 12 |
| KELLY, Albert | PAR, CRO | 2008-10 | 34 | 14 | 7 / 13 | 53.85% | – | 70 |
| KELLY, Brian | GLD | 2014-16 | 54 | 35 | 9 / 14 | 64.29% | – | 158 |
| KELLY, Dylan | MAN | 2012-13 | 33 | 9 | 14 / 22 | 63.64% | – | 64 |
| KELLY, Jack | NEW | 2015 | 15 | 2 | – | – | – | 8 |
| KELLY, Jackson | MAN | 2014 | 5 | – | – | – | – | – |
| KELLY, Jake | BRI | 2011 | 3 | – | – | – | – | – |
| KELLY, Luke | MEL | 2008-09 | 47 | 7 | 0 / 2 | 0% | 1 | 29 |
| KELSO, Sam | PAR | 2009 | 3 | 1 | – | – | – | 4 |
| KEMP, Paora | SGI | 2015-16 | 29 | 19 | 19 / 35 | 54.29% | – | 114 |
| KEMP, Trey | NQL | 2015-16 | 15 | 2 | – | – | – | 8 |
| KENESE, Kenese | WAR | 2016-17 | 43 | 5 | – | – | – | 20 |
| KENNAR, Richard | MEL | 2012-14 | 40 | 18 | – | – | – | 72 |
| KENNEDY, Jarrad | CAN | 2008-09 | 52 | 21 | – | – | – | 84 |
| KENNEDY, John | SGI | 2008 | 23 | 15 | – | – | – | 60 |
| KENNEDY, Martin | SYD | 2008-09 | 35 | 4 | – | – | – | 16 |
| KENNEDY, Maurice | SGI | 2008 | 13 | 3 | – | – | – | 12 |
| KENNEDY, Mitchell | CAN | 2009-10 | 42 | 4 | – | – | – | 16 |
| KENNEDY, Patrick | MAN | 2012-13 | 20 | 1 | – | – | – | 4 |
| KENNEDY, Rhys | MEL | 2012-14 | 55 | 7 | – | – | – | 28 |
| KENNEDY, William | CRO | 2015-17 | 48 | 12 | – | – | – | 48 |
| KENNY, Mitchell | PEN | 2016-17 | 30 | 3 | – | – | – | 12 |
| KENT, Jono | CAN | 2013-14 | 27 | 15 | 14 / 26 | 53.85% | – | 88 |
| KENT, Josh | SGI, CBY | 2009-10 | 28 | 11 | – | – | – | 44 |
| KENWORTHY, Jordan | NQL | 2014-16 | 42 | 10 | – | – | – | 40 |
| KEPA, Nathan | NQL | 2010-11 | 12 | 2 | – | – | – | 8 |
| KEPPIE, Sean | PAR | 2016-17 | 28 | 4 | – | – | – | 16 |
| KERR, Danny | CRO, GLD | 2009-10 | 14 | – | – | – | – | – |
| KERR, Josh | MEL | 2015-16 | 41 | 14 | – | – | – | 56 |
| KERR, Will | CBY | 2016 | 6 | 4 | – | – | – | 16 |
| KERR-TUAUPIKI, Haami | MAN | 2010-11 | 12 | – | – | – | – | – |
| KETIA-OPO, Sato | CAN | 2017 | 6 | 1 | 3 / 3 | 100% | – | 10 |
| KEY, Toby | PAR | 2011-12 | 19 | 2 | – | – | – | 8 |
| KHEIRALLAH, Mark | SYD | 2010 | 19 | 20 | 1 / 1 | 100% | – | 82 |
| KHOURY, Josh | SOU | 2014 | 2 | – | – | – | – | – |
| KI, Michael | PAR, WAR | 2013-14 | 20 | 8 | – | – | – | 32 |
| KIEL, Shane | PEN | 2015-16 | 9 | – | – | – | – | – |
| KIKAU, Viliame | NQL | 2014-15 | 42 | 32 | – | – | – | 128 |
| KILIAN, Dan | GLD, NEW | 2012-13 | 14 | 3 | – | – | – | 12 |
| KING, Beau | WAR | 2008-10 | 18 | – | – | – | – | – |
| KING, Cameron (born 1991) | SGI | 2008-11 | 38 | 5 | 19 / 23 | 82.61% | – | 58 |
| KING, Cameron (born 1997) | NEW | 2016-17 | 34 | 8 | – | – | – | 32 |
| KING, Denzel | CBY | 2013-14 | 17 | 1 | – | – | – | 4 |
| KING, Josh | NEW | 2014-15 | 29 | 4 | – | – | – | 16 |
| KING, Justin | SGI | 2010 | 5 | 1 | – | – | – | 4 |
| KING, Max | GLD | 2016-17 | 27 | 3 | – | – | – | 12 |
| KING, Ryan | SYD, CRO | 2015-17 | 53 | 16 | 7 / 12 | 58.33% | – | 78 |
| KINGSTON, Tom | GLD | 2008 | 25 | 5 | – | – | – | 20 |
| KIOA, Semisi | MAN | 2017 | 11 | 2 | – | – | – | 8 |
| KIRISOME, Junior | MEL | 2014-15 | 33 | 16 | – | – | – | 64 |
| KITE, Sione | CBY | 2008 | 15 | 3 | – | – | – | 12 |
| KITT, Billy | NEW, MEL | 2013-14 | 18 | – | – | – | – | – |
| KLEMMER, David | CBY | 2011-12 | 28 | 6 | – | – | – | 24 |
| KNIGHT, Chris | NEW, PEN | 2010-12 | 45 | 8 | – | – | 1 | 33 |
| KNIGHT, Liam | MAN | 2013-15 | 57 | 14 | 6 / 10 | 60% | – | 68 |
| KOEN, Dallas | MAN | 2014-15 | 26 | 1 | – | – | – | 4 |
| KOINA, Joel | BRI | 2009 | 4 | 1 | – | – | – | 4 |
| KOITKA, Zach | BRI | 2012 | 4 | 1 | – | – | – | 4 |
| KOKO, John | NQL | 2010-11 | 45 | 8 | – | – | – | 32 |
| KOLIAVU, Meli | WAR | 2008 | 1 | – | – | – | – | – |
| KOLOAMATANGI, Keaon | SOU | 2016-17 | 34 | 4 | – | – | – | 16 |
| KOOPU, Tama | WAR, NEW | 2013-14 | 13 | – | – | – | – | – |
| KORO, Kenneth | SYD | 2017 | 12 | 5 | – | – | – | 20 |
| KOROIBETE, Marika | WST | 2011-12 | 28 | 28 | – | – | – | 112 |
| KOROISAU, Apisai | SOU | 2011-12 | 46 | 17 | 84 / 105 | 80% | – | 236 |
| KOROSTCHUK, Chippie | NQL | 2008-09 | 34 | 13 | – | – | – | 52 |
| KOTOBALAVU, Rowland | SGI | 2014-15 | 15 | 8 | – | – | – | 32 |
| KOUKA-SMITH, Dean | NEW, WAR | 2016-17 | 21 | 11 | – | – | – | 44 |
| KRIS, Sebastian | CAN | 2016-17 | 35 | 15 | – | – | – | 60 |
| KRISANSKI-KENNEDY, Kyle | CBY | 2014-15 | 10 | 6 | – | – | – | 24 |
| KULA, Fine | CRO | 2017 | 1 | – | – | – | – | – |
| KURIDRANI, Chris | BRI | 2011 | 5 | 3 | – | – | – | 12 |
| KURNOTH, Corey | WST | 2017 | 15 | 1 | – | – | – | 4 |
| KURTH, Robert | MEL | 2010 | 6 | 4 | – | – | – | 16 |
| KUTIA, Jarome | WAR | 2009-10 | 6 | 1 | – | – | – | 4 |