Quotation authors by 'G'
| Full name | Nationality | Profession |
|---|---|---|
| A. Bartlett Giamatti | American | Educator |
| Adam Garcia | Australian | Actor |
| Adam Giles | Australian | Politician |
| Adam Goldberg | American | Actor |
| Adam Gopnik | American | Writer |
| Adam Green | American | Director |
| Adolf Galland | German | Soldier |
| Adolph Green | American | Playwright |
| Adrian Grenier | American | Actor |
| Aidan Gillen | Irish | Actor |
| Aimee Garcia | American | Actress |
| Al Goldstein | American | Publisher |
| Al Gore | American | Vice President |
| Al Green | American | Musician |
| Alan Grayson | American | Politician |
| Alan Greenspan | American | Economist |
| Alan Guth | American | Physicist |
| Albert Szent-Gyorgyi | Hungarian | Scientist |
| Alberto Giacometti | Swiss | Sculptor |
| Alberto Gonzales | American | Public Servant |