"G" Bobs
- Bobby Gage - Golf
- Robert Gagno - Pinball
- Robert Galbraith - Author
- Robert Gale - Trombone
- Robert Gale - Screenwriter
- Bob Gale - Cricket
- Robert H. Gale - Canadian Politician
- Robert P. Gale - Physician
- Robert G. Gallager - Engineer
- Robert Gallagher - Photographer
- Bob Gallagher - Baseball
- Bob Gallagher - Sportscaster
- Robert Gallery - Football
- Robert C. Gallo - Biomedical Researcher
- Roberta Gambarini - Jazz Singer
- Robert J. Gamgort - Business
- Robert Gant - Actor
- Robert Garcia - Long Beach, California Mayor
- Roberto Garcia - Boxer
- Roberto Garcia - Boxer
- Robert Garrison - Actor
- Robert E. Garrison - Artist
- Robert F. Garrison - Astrophysicist
- Robert S. Garrison - Actor
- Roberto Garza - Football
- Robert A. Gatenby - Physician
- Robert Gates - US Secretary of Defense
- Bob Gaudio - Singer / Songwriter
- Roberto E. Gaviria - Drug Kingpin
- Bob Geldof - Singer / Songwriter
- Robert Genn - Artist
- Bobbie Gentry - Singer / Songwriter
- Robert P. George - Legal Scholar
- Robert Gesnick - Bicycle Racer
- Robert Gibbings - Artist
- Robert Gibbins - Business
- Robert Gibbons - Author
- Robert Gibbons - Economist
- Robert Gibbons - Canadian Politician
- Bob Gibbons - Basketball
- Robert Gibbs - White House Press Secretary
- Bob Gibson - Folk Singer
- Bob Gibson - Baseball
- Robert Gifford - Psychologist
- Robert Gifford - British Politician
- Robert F. Gifford - British Military
- Robert S. Gifford - Artist
- Bob Gill - Illustrator
- Bob Gill - Stunt Driver
- Bobby Gillespie - Singer
- Bob Gimlin - Director
- Bob Gimlin - Big Foot
- Bob Gingery - Jazz Bass
- Robert Gingery - Surgeon
- Robert Giroux - Publisher
- Robert J. Giroux - College President
- Robert Glasper - Piano
- Robert A. Glasper - Piano
- Robert Glatter - Physician
- Robert Glauber - Sportswriter
- Robert Glazer - Author
- Bob Glidden - Motor Sports
- Bob Goalby - Golf
- Robert Gober - Artist
- Robert Godby - Professor
- Robert Goddard - Rocket Scientist
- Bob Goen - Television Host
- Roberto Goizueta - Business
- Bobby Goldsboro - Singer / Songwriter
- Robert Goldstein - NPR Music Librarian
- Robert F. Goldsworthy - Washington House of Representatives
- Bobcat Goldwaith - Comedian
- Bob Golic - Football
- Roberta M. Golinkoff - Author
- Roberto Gomez - Actor
- Robert Gomez - Rock
- Robert A. Good - Physician
- Robert C. Good - University President
- Bob Goodlatte - US House of Representatives
- Robert Goodloe - Opera Singer
- Robert Goon - Actor
- Robert Gordon - Actor
- Bob Gordon - Saxophone
- Robert Gordon - Singer
- Robert Gordon - Director
- Robert Gordon - Filmmaker
- Robert Gordon - Screenwriter
- Robert Gordon - British Army Officer
- Robert Gordon - British Military
- Robert Gordon - Psychologist
- Robert Gordon - Scottish Cartographer
- Robert Gordon - British Diplomat
- Robert Gordon - Scottish Politician
- Robert Gordon - Scottish Politician
- Robert Gordon - Religion
- Robert Gordon - Cricket
- Robert Gordon - Football
- Robby Gordon - Motor Sports
- Robert Gordon - Rower
- Bob Gordon - Rugby
- Robert Gordon - Soccer
- Robert A. Gordon - Economist
- Robert A. Gordon - Sociologist
- Robert B. Gordon - US House of Representatives
- Robert J. Gordon - Dutch Explorer
- Robert J. Gordon - Economist
- Robert M. Gordon - World War I Flying Ace
- Robert M. Gordon - New Jersey Senate
- Robert P. Gordon - Professor
- Robert W. Gordon - Folklorist
- Robert W. Gore - Business
- Robert Gottlieb - Author
- Robert Gottschall - Actor
- Robert Goulet - Singer
- Robert Graham - Artist
- Bob Graham - Author
- Robert Graham - Singer
- Robert Graham - Scottish Military
- Robert Graham - US Navy
- Robert Graham - Botanist
- Robert Graham - Historian
- Robert Graham - King James I of Scotland Assassin
- Robert Graham - Physicist
- Bob Graham - US Senate
- Bob Graham - Australian Politician
- Robert Graham - English Judge
- Robert Graham - New Zealand Politician
- Robert Graham - Scottish Politician
- Robert Graham - Wisconsin Politician
- Robert Graham - Cricket
- Bob Graham - Hockey
- Bob Graham - Track & Field
- Robert A. Graham - Religion
- Robert B. Graham - Scottish Politician
- Robert C. Graham - Scottish Politician
- Robert J. Graham - Australian Politician
- Robert K. Graham - Business
- Robert M. Graham - Computer Scientist
- Robert M. Graham - Wisconsin Politician
- Robert S. Graham - Business
- Robert S. Granger - US General
- Robert Grant - Author
- Robert Grant - Comedy Writer
- Robert Grant - British Military
- Robert Grant - Astronomer
- Robert Grant - British Politician
- Robert Grant - Religion
- Bob Grant - Football
- Bob Grant - Rugby
- Robert Grant - Soccer
- Robert Grant - Soccer
- Bob Grant - Track & Field
- Robert A. Grant - US House of Representatives
- Robert E. Grant - Zoologist
- Robert E. Grant - Virginia House of Delegates
- Robert G. Grant - Political Activist
- Robert H. Grant - Canadian Politician
- Robert H. Grant - Canadian Politician
- Robert J. Grant - US Mint Director
- Robert J. Grant - Cricket
- Robert M. Grant - Economist
- Robert M. Grant - Wyoming House of Representatives
- Robert M. Grant - Religion
- Robert P. Grant - Canadian Politician
- Robert P. Grant - Kansas House of Representatives
- Robert S. Grant - Actor
- Robert S. Grant - Soccer
- Robert Y. Grant - New York Senate
- Robert Graves - Author
- Robert Gray - Actor
- Robert Gray - Merchant Sea Captain
- Robert Gray - Ornithologist
- Robert Gray - Mississippi Politician
- Robert Gray - Scottish Politician
- Robert Gray - South Dakota Senate
- Robert Gray - Religion
- Robert Gray - Religion
- Bob Gray - Australian Rules Football
- Robbie Gray - Australian Rules Football
- Bobby Gray - Boxer
- Bob Gray - Soccer
- Robert Gray - Soccer
- Robert Gray - Soccer
- Robert Gray - Soccer
- Robert Gray - Soccer
- Robert Gray - Track & Field
- Robert A. Gray - Medal of Honor Recipient
- Robert C. Gray - Radio Host
- Robert H. Gray - Author
- Robert H. Gray - Canadian Military
- Robert H. Gray - Professor
- Robert I. Gray - Canadian Politician
- Robert J. Gray - Australian Politician
- Robert J. Gray - Religion
- Robert K. Gray - Business
- Robert M. Gray - Professor
- Robert P. Gray - Soccer
- Robert S. Gray - Soccer
- Robert W. Gray - Author
- Robert W. Gray - Screenwriter
- Bobby W. Gray - Football
- Robert Green - Rapper
- Rob Green - Director
- Bob Green - Naturalist
- Bob Green - Australian Rules Football
- Robert Green - Cricket
- Robbie Green - Darts
- Robert Green - Tennis
- Robert Green - Soccer
- Robert A. Green - US House of Representatives
- Robert C. Green - Physician
- Robert D. Green - Football
- Robert F. Green - Business
- Bobby J. Green - Football
- Robert L. Green - Playboy Magazine Fashion Director
- Robert M. Green - Architect
- Robert M. Green - Ice Cream Float Inventor
- Bobby R. Green - Mixed Martial Arts
- Robert S. Green - New Jersey Governor
- Robert Greenblatt - Chairman NBC Entertainment
- Robert Greenblatt - Activist
- Robert B. Greenblatt - Physician
- Robert Greene - Author
- Bob Greene - Jazz Piano
- Robert Greene - Filmmaker
- Robert Greene - Playwright
- Bob Greene - Exercise Physiologist
- Bob Greene - Journalist
- Robert Greene - Philosopher
- Robert E. Greene - Mathematician
- Robert J. Greene - Author
- Robert L. Greene - Journalist
- Robert L. Greene - Psychologist
- Robert W. Greene - Journalist
- Robert Greenhut - Movie Producer
- Robert Greville - British Military
- Robert Grey - Drummer
- Robert D. Grey - Academic Administrator
- Robert H. Grey - Actor
- Robert J. Grey - Lawyer
- Robert T. Grey - US Diplomat
- Bobby Grich - Baseball
- Bob Griese - Football
- Robert Griffin III - Football
- Bob Griffiths - Author
- Robert Griffiths - Physicist
- Robert Griffiths - General Secretary of the Communist Party of Britain
- Robert W. Griffiths - Business
- Robert F. Griggs - Botanist
- Rob Grill - Singer
- Robert de Grimston - Religion
- Rob de Groot - Stuntman
- Bob Gross - Basketball
- Robert A. Gross - Composer
- Robert A. Gross - Historian
- Robert A. Gross - Physicist
- Robert E. Gross - Business
- Robert E. Gross - Surgeon
- Robert Grossman - Artist
- Robert Grossman - Computer Scientist
- Robert Grove - Religion
- Robert Lefty Grove - Baseball
- Robert Groves - Artist
- Robert Groves - Sociologist
- Robert M. Groves - British Navy Officer
- Robert H. Grubbs - Nobel Laureate in Chemistry
- Bobby Gubby - Singer
- Bob Guccione - Publisher
- Robert C. Guidry - Singer / Songwriter
- Robert Guillaume - Actor
- Bob Gullotti - Jazz Drummer
- Robert Gunby - Physician
- Robert Gunnell - Broadcaster
- Bobby Gunning - British Military
- Bob Gunton - Actor
- Robert Guthrie - Biologist
- Robert S. Guthrie - Australian Politician
- Robert V. Guthrie - Psychologist