Galouye, Daniel F.,
--Shuffle Board, June, 1957.
--Gravy Train, March, 1960. (novelette)
--Kangaroo Court, September, 1960. (short novel)
--Mirror Image, September, 1961.

Garrett, Randall, (1927-1987)
--Time Fuze, March, 1954. (short short)
--Spatial Delivery, October, 1954.
--Pride and Primacy, #171, March-April, 1974.
--also see Garrett, Randall, and Michael Kurland

Garrett, Randall, and Michael Kurland,
--Fimbulsommer, #150, September-October, 1970. (novel)

Gault, William Campbell,
--The Huddlers, May, 1953. (novelette)

Gerrold, David, (1944- )and Larry Niven,
--The Misspelled Magician (Part 1), #148, May-June, 1970.
--The Misspelled Magician (Conclusion), #149, July-August, 1970.

Gilbert, Robert Ernest,
--Thy Rocks and Rills, September, 1953. (novelette)

Giunta, Aldo,
--Jingle in the Jungle, June, 1957. (novelette)

Goodz, Jerry,
--No Time Like the Past, #173, July-August, 1974.

Gotass, James A.,
--To Seek Another, #155, July-August, 1971. (novelette)

Gotlieb, Phyllis,
--Gingerbread Boy, January, 1961.
--Rogue's Gambit, #122, January, 1968. (novelette)

Goulart, Ron,
--A. D. 2150: Shandy, October, 1958. *
--Ignatz, March, 1960.
--Swap, #147, April, 1970.
--What's Become of Screwloose? #149, July-August, 1970.

Green, Joseph,
--Once Around Arcturus, September, 1962. (novelette)
--The Dwarfs of Zwergwelt, #160, May-June, 1972. (novelette)

Grenville, Scott F.,
--Superjoemulloy, November, 1960.

Grow, Julian F.,
--The Starman of Pritchard's Creek, #133, December, 1968. (novelette)

Gunn, James E.,
--A Word for Freedom, January, 1954.
--A Monster Named Smith, July, 1954. * (novelette)
--Trial by Fire, #135, February, 1969. (short novel)
--The Man Who Would Not, #143, December, 1969.