Football referees
Ricangel de Leça
Robin Delfs
Romain Delpech
Rob Dieperink
Ramil Diniyev
Ramazan Doğanay
Ross Donaldson
Roman Dovbnya
Robert Dowling
Radek Dubravsky
Rostislav Dubyna
Robert George Dumitru
Ross Dunlop
Rebecca Durcau
Roger East
Rene Eisner
Rasmus Ekberg
Rasmus Ekelund
Richard Eley
R. Ellis
Randy Encarnación
Rasmus Eriksson
Rodrigo Farías
Ricardo Fierro
Reinhold Fischer
Reyna Fonseca
Rúni Gaardbo
Romain Galibert
Roman Galimov
Roman Galitsyn
Robin Gansner
Roberto García Orozco
Ricardo Andrés García Becerra
Richard Gardner
Refael Geva
Radoslav Gidzhenov
Roman Glažar
Rui Manuel Gomes Costa
Raúl Martín González Francés
Roger Goulart
Rachel Greer
Rasa Grigonė
Richard Groenewegen
Robert Gruber
Rafael Guarín
Reginald Gumbs
Raul Gupta
Ricardo Gutierrez
Róbert Þór Guðmundsson
Ross Hardie