- Ratio juris
- RDH
- Re/views in environmental science and bio/technology
- Reaction kinetics and catalysis letters
- Reaction kinetics, mechanisms and catalysis
- Reading
- Reading and writing
- Reading research quarterly
- Real-time systems
- ReCALL
- Recherche et applications en marketing
- Recherche et applications en marketing (English edition)
- Recruiting & retaining adult learners
- Refugee survey quarterly
- Regional anesthesia and pain medicine
- Regional environmental change
- Regulated rivers
- Regulation & governance
- Regulatory peptides
- Regulatory toxicology and pharmacology
- Rehabilitation counseling bulletin
- Rehabilitation nursing
- Rehabilitation process and outcome
- RELC journal
- Relevé épidémiologique hebdomadaire / Section d'hygiène du Secrétariat de la Société des Nations = Weekly epidemiological record / Health Section of the Secretariat of the League of Nations
- Religion
- Religion and American culture
- Religious studies
- Religious studies review
- Remedial and special education
- Remediation
- Renaissance quarterly
- Renaissance studies
- Renal failure
- Renal Society of Australasia journal
- Rendiconti del Circolo matematico di Palermo
- Renewable & sustainable energy reviews
- Renewable energy
- Reports of patent, design, and trade mark cases
- Reports on progress in physics
- Reproduction : the official journal of the Society for the Study of Fertility
- Reproduction and contraception
- Reproduction in domestic animals
- Reproductive biomedicine online
- Reproductive health matters
- Reproductive sciences
- Reproductive toxicology
- Res publica
- Research and theory for nursing practice
- Research chronicle