Authors
- Radaelli, Antonia
- Rafael, Carlos A.C.
- Raffi, François
- Rallón, Norma I.
- Rambaut, Andrew
- Ramge, Peter
- Ramos, José Manuel
- Ramos, Jose T.
- Rampal, Lekhraj
- Ramírez, María Luisa Montes
- Ramírez-Olivencia, Germán
- Ranea, Juan A.G.
- Rangel, Hector R.
- Rao, Rama
- Rasool-Hassan, Bassam A.
- Ray, Adrian S.
- Real, Luis M.
- Reau, Nancy
- Reed, Jonathan C.
- ReedJaisri, Jonathan C.
- Reeves, Daniel B.
- Reggad, Ahmed
- Reiss, Peter
- Ren, Junjie
- Rendell, Marc
- Rendón, Ana
- Reneses, Blanca
- Renjifo, Boris
- Requena, Daniel González de
- Resh, Marilyn D.
- Resino, Salvador
- Resnati, Chiara
- Restrepo, Clara
- Reward, Eleazar E.
- Reyes, Angel
- Reynolds, Steven J.
- Rezaeian, Shahab
- Riaz, Saba
- Ribera, Esteve
- Ribera, Josep Maria
- Ribero, Simone
- Riccardi, Niccolò
- Richmond, Natasha
- Rida-Tagagidid, Mohamed
- Riddler, Sharon A.
- Rinaldo, Charles R.
- Rincón-Redondo, Juan S.
- Rios, Adan
- Ripamonti, Diego
- Riva, Giovanni
- Rivas, Pablo
- Rivero, Iraldo B.
- Robert-Guroff, Marjorie
- Robinson, Harriet L.
- Roca, Bernardino
- Rockstroh, Jürgen
- Rodes, Berta
- Rodrigues-Oliveira, Sonia M.
- Rodríguez, Antoni Pla
- Rodríguez, Carmen
- Rodríguez-Novoa, Sonia
- Rodríguez-Rivera, Violeta
- Rodríguez-Rosado, Rafael
- Roig, Montserrat Sánchez
- Roland, Thomas
- Rollnick, Stephen
- Romerio, Fabio
- Romero, Jorge del
- Romero, Sara
- Rompay, Koen K.A. van
- Román, Jesús San
- Rosa-Júnior, Marcos
- Rosenwirth, Brigitte
- Rosinska, Magdalena
- Roucoux, Diana F.
- Routy, Jean-Pierre
- Ruan, Wenhua
- Rubio-Rodríguez, Darío
- Rubio-Terrés, Carlos
- Ruiz, Andrés
- Ruiz-Becerra, Jaime E.
- Ruiz-Pérez, Isabel
- Ruiz-Saez, Beatriz
- Ruscetti, Francis W.
- Rusconi, Stefano
- Río, Rafael del