The following referees successfully completed the Kyorugi Referee Refresher Seminar and retest held on Saturday 14 July 2018 and Friday 3 August 2018 respectively at Toa Payoh Sports Hall.
| No | Name | Affiliate |
| 1 | Ang Andrea | Acme TKD |
| 2 | Ang Li Wen Samantha | Acme TKD |
| 3 | Ang Wee Cher Richard | Ngee Ann TKD |
| 4 | Ang Yuan Juan Karen | Cadre Academy |
| 5 | Bui Thi Hang | Integrity TKD |
| 6 | Chan Bao Sheng | SIM TKD |
| 7 | Chan Jia Ling | Acme TKD |
| 8 | Chan Yin Kai Dylan | Maris Stella High |
| 9 | Cheok Choon Kiat | Cadre Academy |
| 10 | Chew Xuan Zhi | St Teresa TKD |
| 11 | Chia Vivi Thalia | Cadre Academy |
| 12 | Chia Wan Lin | Zen Academy |
| 13 | Chin Tian Hwee | PAP Leng Kee |
| 14 | Chin Ying Xuan Megan | Acme TKD |
| 15 | Chin Zi An | T & T TKD |
| 16 | Chloe Anya Lai | Acme TKD |
| 17 | Chng Wei Lang | Eclipse TKD |
| 18 | Chong Chih Chung | SIM TKD |
| 19 | Chua Daryl | St Teresa TKD |
| 20 | Chuang Kai Qing | Eclipse TKD |
| 21 | Fong Yee Min | Acme TKD |
| 22 | Gan Guo Bin | National Squad |
| 23 | Go Ngee Boon | LTA TKD |
| 24 | Goh Hongbin Sherman | Acme TKD |
| 25 | Goh Shao Rong Melvin | Anglican TKD |
| 26 | Goh Ying Xuan Kristy | Axiom TKD |
| 27 | Ho Hock Siew Robin | Anglican TKD |
| 28 | Ho Rong Wei Johnnaton | Axiom TKD |
| 29 | Ho Yan Yi Ashley Kay | Anglican TKD |
| 30 | Ho Yao Tong Victor | NTU TKD |
| 31 | Hoh Kar Li Claire | Lions TKD |
| 32 | Hoo Kwang Chang Kent | TOP TKD |
| 33 | Huang Yi Wen | Summit TKD |
| 34 | Hun Teck Kwang | The British Club |
| 35 | Juay AiLing | Radin Mas TKD |
| 36 | Koh Choon Seng David | MC Member |
| 37 | Koi Yi Hao | Cadre Academy |
| 38 | Kong Sin Yu | Anglican TKD |
| 39 | Kong Siong Ern Joel | J H Kim TKD (SGC) |
| 40 | Lee Ee Hern Vernon | Summit TKD |
| 41 | Lee Yen Yen | Eunos TKD |
| 42 | Lee Yew Jin Sebastian | Summit TKD |
| 43 | Lee Zhen Chong | Sports Team TKD |
| 44 | Lee Zhong Jun Edward | Anglican TKD |
| 45 | Leong Kwok Kee Stephen | NTU TKD |
| 46 | Leong Miao Yuan Kelvin | Ignite TKD |
| 47 | Leong Yue Yum Andy | Sovereign TKD |
| 48 | Lim Hao An Steven | Radin Mas TKD |
| 49 | Lim Hui Hsien | Eclipse TKD |
| 50 | Lim Huizi Evelyn | Summit TKD |
| 51 | Lim Hwee Juan Livia | Raiders TKD |
| 52 | Lim Jia Jun | Ignite TKD |
| 53 | Lim Kai June | Axiom TKD |
| 54 | Lim Kai Ming | SMU TKD |
| 55 | Lim Peng Siah | Acme TKD |
| 56 | Lim Rei Xin | Ngee Ann TKD |
| 57 | Lim Yee Siong | PAP Leng Kee |
| 58 | Lim You Jie Jaden | Raiders TKD |
| 59 | Lim Yuheng Xavier | Radin Mas TKD |
| 60 | Liu Jia Ai | Eclipse TKD |
| 61 | Loh Kak Wei Kelvin | NTU TKD |
| 62 | Loke Ji Xian | Summit TKD |
| 63 | Loo Chee Meng | Apex TKD |
| 64 | Mohamad Ridhuan Bin Akmat | Acme TKD |
| 65 | Mohd Adnan Abdullah | Momentum TKD |
| 66 | Mok Li Hao Thomas | Axiom TKD |
| 67 | Muhammad Ashiddiq Bin Muhaimen | Acme TKD |
| 68 | Ng Cheng Siong | Acme TKD |
| 69 | Ng Keng Boon | PAP Leng Kee |
| 70 | Ng Seah Kiat Darius | Zen Academy |
| 71 | Ng Sin Yi Talia | Radin Mas TKD |
| 72 | Ng Tian Huat Tony | Evolution TKD |
| 73 | Ng Wesley | Summit TKD |
| 74 | Ng Xinni | Acme TKD |
| 75 | Ng Zongheng Kiefer | Anglican TKD |
| 76 | Ngo Xian Nuo Joel | Acme TKD |
| 77 | Nufail Bin Mohd Adnan | Momentum TKD |
| 78 | Nurhafiez Nazir Ahmad | Marine Parade Zone ‘A’ RC |
| 79 | Nyo Wilson | Bukit Panjang C C |
| 80 | Ong Bee Ai Alice | Radin Mas TKD |
| 81 | Ong Ker Seng Peter | Radin Mas TKD |
| 82 | Peh Ziyi Cheryl | Zen Academy |
| 83 | Phan Bich Thuy | KTMA |
| 84 | Phua Veronica | Acme TKD |
| 85 | Quak Soon Meng | Eunos TKD |
| 86 | Raja Arshad Bin Raja Mahmod | Sportif TKD |
| 87 | Raja Zulfadli Bin Raja Mahmod | Sportif TKD |
| 88 | Seah Alexander Michael | Radin Mas TKD |
| 89 | See Gek Mun Ruth | Ngee Ann TKD |
| 90 | Sim Ee Guay Linda | Teamgold |
| 91 | Sim Ting Hao Benjamin | Ngee Ann TKD |
| 92 | Sim Zhi Hong Nigel | Temasek Poly TKD |
| 93 | Slawomir Grzegorz Wlodkowski | KTMA |
| 94 | Soh Lay En Ellen | Integrity TKD |
| 95 | Soo Rui Han Aloysius | Cadre Academy |
| 96 | Soo Wei Ni Winnie | Zen Academy |
| 97 | Tan Bee Cheng | Anglican TKD |
| 98 | Tan Nichelle | Zen Academy |
| 99 | Tan Shermaine | Acme TKD |
| 100 | Tan Sherman | Axiom TKD |
| 101 | Tan Wei Leong | Ignite TKD |
| 102 | Tan Xin Hao Shaun | T & T TKD |
| 103 | Tan Ying Xin Ananda | T & T TKD |
| 104 | Tan Zhen Wei Gavin | Anglican TKD |
| 105 | Tang Mui Huang | T & T TKD |
| 106 | Tang Wee Hua | Teamgold |
| 107 | Tay Jimmy | Vosper TKD |
| 108 | Teo Yeow Hong | Radin Mas TKD |
| 109 | Teoh Hock Ming | Raiders TKD |
| 110 | Tham Chun Hoe | Radin Mas TKD |
| 111 | Tok Yee Long | Anglican TKD |
| 112 | Twang Cheng En | Sports Team TKD |
| 113 | Vee Hung Chun Verral | Radin Mas TKD |
| 114 | Vee Yah Teng Vernice | Radin Mas TKD |
| 115 | Wong Yew Fei | Stiletto TKD |
| 116 | Woon Yong Chuang | National Squad |
| 117 | Yap Gin Yee | Acme TKD |
| 118 | Yap Jim Cheng | Acme TKD |
| 119 | Yap Teng Chung | Zen Academy |
| 120 | Yee Sow Wei | PAP Leng Kee |
| 121 | Yek Teng Hao Jason | Zen Academy |
| 122 | Yiau Swee Yik | St Teresa TKD |
| 123 | Yong Kai Zhi | Eclipse TKD |
| 124 | Yuvaraj L | J H Kim TKD (BT) |
| 125 | Ng Kok Pheng | TEAMgOLD |
| 126 | Lai Hai Mei | J H Kim TKD (BT) |
| 127 | Chin Ckrystal | Zen Academy |
Their licences have been extended for one year.
Kyorugi referees who did not attend the refresher course will not eligible to officiate in any kyorugi tournaments until the next course.