Rachovian - Geoff Eddy

Radilu - Chris Collins

Rahha - James Campbell

Ranamemi - Terence Donnelly

Rap Lin Rie - Reginald J. G. Dutton, F.R.S.A.

Ravenloftish - Eric Anger

Rav Zarruvo

Raxanakoa - Jonathana Tegire

Rayatako - Michael Mechmann

Rèaniano - Giovanni Angelo Doveri

Regelluga - Ben Poplawski

Regimonti - Scotto Hlad

Reman - Christophe Grandsire

Reñim - Martin F.

Retehitu - Alex Middleton

Réziko - J.T. Antley

Rhan - Roger Kuiper

Rhean - Mike Ellis

Rhyllan - Andrew J. Meilstrup

Rigavie Sutanio - Nate and Steve

Rikchik - Denis Moskowitz

Rinya - Daniel Andreasson

Risan - Kári Emil Helgason

Rivaansa - Schorreel, Thomas

Rivertongue - Keolah

Ro - Rev. and Mrs. Edward Powell Foster

Rodlox's Unnamed Conlang - Rodlox

Rokbeigalmki - Steg Belsky

Romana - Dan Tohatan

Romanice

Romanico - Anonymous

Romanid - Zoltán Magyar

Romanova - multiple contributors

Romula - Artemio de Cosma

Romulan - Diane Duane

Rònic - Aljam

Ronnes - Keolah

Rootian English - Joris Bollen

Rosakeat - Maknas

Roxhai - Jeffrey Henning

Rrldha - Tom Corcoran

Rˆtennin - J. Hooper

Rúmeann - jú

Rusakui - Maknas

Rúvuk - Robert

R'yihdd - Lawrence Lanier