Quotation authors by 'R'
| Full name | Nationality | Profession |
|---|---|---|
| A. Philip Randolph | American | Activist |
| A. R. Rahman | Indian | Musician |
| Aaron Ruell | American | Director |
| Abraham A. Ribicoff | American | Politician |
| Abraham Robinson | German | Mathematician |
| Aby Rosen | German | Businessman |
| Ad Reinhardt | American | Artist |
| Adam Rapp | American | Novelist |
| Adam Rich | American | Actor |
| Adam Richman | American | Actor |
| Adam Rickitt | British | Actor |
| Adam Riess | American | Scientist |
| Adrian Rogers | American | Clergyman |
| Adrienne Rich | American | Poet |
| Agnes Repplier | American | Writer |
| Agnieszka Radwanska | Polish | Athlete |
| Aishwarya Rai Bachchan | Indian | Actress |
| Akbar Hashemi Rafsanjani | Iranian | Politician |
| Al Roker | American | Entertainer |
| Alain Resnais | French | Director |