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- George (Francis) Abbott (1887–1995), American scriptwriter, producer & director
- George Abbott (politician), Canadian politician
- George Henry Abbott (1867–1942), Australian surgeon
- Glenn Abbott (born 1951), American baseball player
- Gorham Dummer Abbott (1807–1874), American clergyman, educator, and author
- Grace Abbott (1878–1939), American social worker
- Greg Abbott (born 1957), Attorney General of Texas
- Greg Abbott (footballer) (born 1963), English footballer
- Gregory Abbott (born 1954), American soul musician, singer, composer and producer
- Gypsy Abbott (1887–1952), American actress
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