The following referees successfully completed the Kyorugi Referee Refresher Seminar and retest held on Saturday 15 July 2017 and Saturday 19 August 2017 at Jurong East Sports Hall and the STF National Training Centre respectively.
| No | Name | Affiliate |
| 1 | Ang Li Wen Samantha | Acme TKD |
| 2 | Ang Yuan Juan Karen | Cadre Academy |
| 3 | Chia Yu Ren Darien | Summit TKD |
| 4 | Chin Zi An | T & T TKD |
| 5 | Chng Wei Lang | Eclipse TKD |
| 6 | Chong Chih Chung | SIM TKD |
| 7 | Chua Chen Kang Aloysius | Integrity TKD |
| 8 | Chua Daryl | St Teresa |
| 9 | Chua Yih-Long Titus | Integrity TKD |
| 10 | Dennison Myron Richard | Raiders TKD |
| 11 | Fong Yee Min | Acme TKD |
| 12 | Gao Zhen Hua | NUS TKD |
| 13 | Ho Mun Wai | TEAMgOLD |
| 14 | Ho Roy Wei Johnnaton | Axiom TKD |
| 15 | Hoo Kwang Chang Kent | Top TKD |
| 16 | Huang Pei Sheng | Summit TKD |
| 17 | Huang Yi Wen | Summit TKD |
| 18 | Hun Teck Kwang | The British Club |
| 19 | Isaiah John Thomas | Induk TKD |
| 20 | Jerome Uriah Ng Jia Jun | Sports Team |
| 21 | Koh Choon Seng David | St Teresa |
| 22 | Koh Kim Siong | Acme TKD |
| 23 | Kwong Shuen | Acme TKD |
| 24 | Lai Anya Chloe | Acme TKD |
| 25 | Lai Hai Mei | JH Kim (BT) |
| 26 | Lau Zi Xin Zenda | Acme TKD |
| 27 | Lee Jie Yao | Zenith TKD |
| 28 | Lee Wee Lick Terence | Anglican TKD |
| 29 | Lee Yew Jin Sebastian | Summit TKD |
| 30 | Lee Zhen Chong | Sports Team |
| 31 | Lim Hui Hsien | Eclipse TKD |
| 32 | Lim Hwee Juan Livia | Raiders TKD |
| 33 | Lim Jia Jun | Ignite TKD |
| 34 | Lim Peng Siah | Acme TKD |
| 35 | Lim Yew Lee | SIM TKD |
| 36 | Lim You Jie Jaden | Raiders TKD |
| 37 | Liu Jia Ai | Eclipse TKD |
| 38 | Loo Chee Meng | Acme TKD |
| 39 | Lua Weiting Jolie | Acme TKD |
| 40 | Mohamad Ridhuan | Acme TKD |
| 41 | Muhd Hafizuddin Bin Md Jamil | Summit TKD |
| 42 | Mohammad Razki Fahrullah Bin Muslim | Raiders TKD |
| 43 | Na Kok Peng | NUS TKD |
| 44 | Ng Cheng Siong | Acme TKD |
| 45 | Ng Jun Wen Wesley | Summit TKD |
| 46 | Ng Keng Boon | PAP Leng Kee |
| 47 | Ng Kok Pheng | Summit TKD |
| 48 | Ng Seah Kiat Darius | Zen Academy |
| 49 | Ng Wan Ting Cheryl | Acme TKD |
| 50 | Ng Zong Heng Kiefer | Anglican TKD |
| 51 | Nurhafiez Nazir Ahmad | NUS TKD |
| 52 | Nyo Wei Sheng Wilson | Bt Panjang CC |
| 53 | Ong Bee Ai | Radin Mas CC |
| 54 | Ong Ker Seng | Radin Mas CC |
| 55 | Phua Veronica | Acme TKD |
| 56 | Romelle N.Roa | JH Kim (Main) |
| 57 | Ruan Zhi Chao | Hankuk Tkd |
| 58 | Seah Pei Li Catherine | Raiders TKD |
| 59 | Seah Sin Nee Celine | Integrity TKD |
| 60 | Sim Ee Guay Linda | TEAMgOLD |
| 61 | Sim Zhi Hong Nigel | Summit TKD |
| 62 | Slawomir Grlegorz Wlodkowsk | Trifecta Martial Arts |
| 63 | Soo Rui Han Aloysius | Cadre Academy |
| 64 | Soo Wei Ni Winnie | Zen Academy |
| 65 | Tan Angel | Eclipse TKD |
| 66 | Tan Cheng Hueng Andy | Raiders TKD |
| 67 | Tan Junwei Jason | Acme TKD |
| 68 | Tan Kheng Juan Henry | Marine Parade Zone “A” |
| 69 | Tan Shermaine | Acme TKD |
| 70 | Tan Wei Jun Xavier | Acme TKD |
| 71 | Tan Xin Hao Shaun | T & T TKD |
| 72 | Tan Ying Xin Amanda | T & T TKD |
| 73 | Tan Zhen Wei Gavin | Anglican TKD |
| 74 | Tang Mui Huang | T & T TKD |
| 75 | Tay Ee Kiang | T & T TKD |
| 76 | Tay Hong Jun Jimmy | Vosper TKD |
| 77 | Teo Ghim Hock Polo | Raiders TKD |
| 78 | Teo Jie Yu | Taekwondonomics |
| 79 | Teo Wei Feng Benjamin | Summit TKD |
| 80 | Teo Yeow Hong | Radin Mas CC |
| 81 | Teoh Hock Ming | Raiders TKD |
| 82 | Tham Chun Hoe | Radin Mas CC |
| 83 | Tok Yee Long | Anglican TKD |
| 84 | Twang Cheng En | Sports Team |
| 85 | Vee Yah Teng Vernice | Radin Mas CC |
| 86 | Wong Yew Choon | NUS TKD |
| 87 | Woon Yong Chuang | Acme TKD |
| 88 | Yap Gin Yee | Acme TKD |
| 89 | Yap Jim Cheng | Acme TKD |
| 90 | Yeak Jia Yun Kimberley | St Teresa |
| 91 | Yek Teng Hao Jason | Zen Academy |
| 92 | Yiau Swee Yik | St Teresa |
| 93 | Yong Kai Zhi | Eclipse TKD |
Their licences have been extended for one year.
Kyorugi referees who did not attend the seminar will not eligible to officiate in any kyorugi tournaments until the next seminar.