The following referees are appointed IKF referees in 2013:
| 2013 | ||
| Filip Lukáš | CZE | elite |
| Jeanes Paul | ENG | elite |
| Jones Steve | WAL | elite |
| Picqueur Geoffrey | BEL | elite |
| van Meerten Henry | NED | elite |
| Buis Ronald | NED | a |
| Fridřich Ondrej | CZE | a |
| Golawski Maciek | POL | a |
| Anus Sandra | GER | b |
| Berkel Georg | GER | b |
| CHEN Chih-Wei (Jack) | TPE | b |
| CHIU Jon Chiang | TPE | b |
| Elekes Tamás | HUN | b |
| Faria Carlos | POR | b |
| Hoeksma Jan Henk | NED | b |
| LEE Wing Hung (Ivan) | HKG | b |
| Osiński Piotr | POL | b |
| Van der Beken Vincent | BEL | b |
| Van der Lucht Marco | NED | b |
| Vingherhoedt Luc | BEL | b |
| Wensma Miguel | BEL | b |
| Dhaiya Pradeep | IND | c |
| Akbulut Uğurtan | TUR | c |
| Almeida Isabel | POR | c |
| Alves Jorge | POR | c |
| Antunes Carla | POR | c |
| Arjona David | CAT | c |
| Bencivenga Domenico | ITA | c |
| Boldizsár Végh | HUN | c |
| Brian Muringa Fungai | ZWE | c |
| CHEN William | TPE | c |
| CHIU Fei (Marc) | HKG | c |
| Cooper Steven | NZL | c |
| de Almeida Mario | POR | c |
| Diaz Jordi | CAT | c |
| Diekmann Frank | GER | c |
| Dutta Deepak | IND | c |
| Fernow Patrick | GER | c |
| Jaszczuk Bartosz | POL | c |
| Kotlář Ľuboš | SVK | c |
| Kumar P. Santosh | IND | c |
| Molcsàn Gàbor | HUN | c |
| Navarro Javi | CAT | c |
| Negi Vijaypal | IND | c |
| Palsra Videsh | IND | c |
| Pereira Joao | POR | c |
| Rosie Luke | AUS | c |
| Salgó Attila | HUN | c |
| Schwarze Martin | GER | c |
| Tarirai Chadebah | ZWE | c |
| Theÿse Christie | RSA | c |
| TSANG Chi Hon (Ben) | HKG | c |
| Vargas Antonio Guijarro | CAT | c |
| Voda Tomás | CZE | c |
| Woods Dean | ENG | c |
| Akar Murat | TUR | d |
| Aliakseyeu Siarhei | BLR | d |
| Bezek Turgay | TUR | d |
| Hatskevich Anna | BLR | d |
| Latenkou Dmitry | BLR | d |
| Öz Eda (female) | TUR | d |
| Sashou Valery | BLR | d |