Greg King

• Greg King (writer), American journalist and conservationist
• Greg King (author), American author
• Greg King (lawyer), New Zealand lawyer
• Greg King (rugby union), English rugby union player
• Greg King (cricketer), South African cricketer and current fitness coach to the national team
• Gregory King, English genealogist, engraver and statistician
• Gregory King (sound designer), Canadian sound designer for film and television