John Rackam Ann Radcliffe Luis Rainha Ágata Ramos Ana Margarida Ramos Bruno Ramos João Ramos Bill Ransom Susana Raposo Simon Raven Jean Ray F. G. Rayer Ricardo Rebelo David Redd Philip Reeve José Régio Andreia Martins Reis Christine Renard Ane Revis Lester Del Rey Mack Reynolds V. Ribakov Aquilino Ribeiro Gerson Lodi-Ribeiro José Ribeiro Leandro Ribeiro Rogério Ribeiro Anne Rice Joel Richards Tony Richards Ian Robert Ivo Robert Keith Roberts Frank M. Robinson Jeanne Robinson Kim Stanley Robinson Spider Robinson Hugo Rocha Jaime Rocha João da Rocha Ernesto Rodrigues Lima Rodrigues Luís Rodrigues Urbano Tavares Rodrigues Vítor J. Rodrigues Frank Roger Bruce Holland Rogers Marta Rolim William Rollo Rui Romão Valério Romão João Rosa Jorge Martins Rosa Pedro Garcia Rosado Mordecai Roshwald W. Strong-Ross Chuck Rothman J. K. Rowling Mann Rubi Rudy Rucker B. Rudenko Juan Rulfo Charles W. Runyon Bertrand Russel Christian Russel Eric Frank Russell Ray Russell Joanna Russ John Russo Geoff Ryman