| Gage, Willie | 4-23-1954 | Electrocuted | Tarrant | Huntsville, TX | 373 | Rape | |
| Gaines, Henry | 6-28-1892 | Lynched | Tyler | Spurger, TX | n/a | ||
| Galloway, Richard | 6-5-1913 | Lynched | Newton | Newton Co., TX | n/a | ||
| Gamble, Richard | 6-28-1946 | Electrocuted | Tarrant | Huntsville, TX | 280 | Murder | |
| Gardner, Billy | 2-16-1995 | Lethal Injection | Dallas | Huntsville, TX | 751 | Robbery | |
| Garrett, Johnny | 2-11-1992 | Lethal Injection | Potter | Huntsville, TX | 729 | Rape | |
| Garrette, Simeon | 8-20-1890 | Lynched | San Agustine | San Augustine, TX | n/a | ||
| Garza, Rafael | 11-12-1894 | Lynched | Kimble | Kimble Co., TX | n/a | ? | near the site of an old dump ground in Kimble Co. |
| Gasway, Samuel | 3-21-1953 | Electrocuted | Potter | Huntsville, TX | 368 | Rape | |
| Gentry, Kenneth E. | 4-16-1997 | Lethal Injection | Denton | Huntsville, TX | 760 | Robbery | |
| Gibbs, David | 8-23-2000 | Lethal Injection | Montgomery | Huntsville, TX | 825 | Burglary | |
| Gibson, Roscoe | 10-6-1962 | Electrocuted | Harris | Huntsville, TX | 440 | Rape | |
| Gibson, Samuel | 1-29-1950 | Electrocuted | Howard | Huntsville, TX | 323 | Murder | |
| Glover, Edward, Sheriff | 6-1856 | ? | Orange | Orange Co., TX | n/a | Counterfeiter | |
| Glover, Nehemiah | 1-28-1942 | Electrocuted | Harris | Huntsville, TX | 237 | Murder | |
| Goff, David | 4-25-2001 | Lethal Injection | Tarrant | Huntsville, TX | 999015 | Robbery | |
| Goldsby, Charlie | 1-22-1942 | Electrocuted | Jefferson | Huntsville, TX | 240 | Rape | |
| Goleman, Darious | 2-4-1953 | Electrocuted | Liberty | Huntsville, TX | 360 | Murder | |
| Gonzales, Joe | 9-18-1996 | Lethal Injection | Potter | Huntsville, TX | 999177 | Murder | |
| Goodman, Spencer | 1-18-2000 | Lethal Injection | Fort Bend | Huntsville, TX | 999031 | Kidnapping | |
| Goodwin, Alvin | 1-18-2001 | Lethal Injection | Montgomery | Huntsville, TX | 879 | Murder | |
| Goolsie, Kirby | 5-27-1918 | Lynched | Jefferson | Beaumont, TX | n/a | ||
| Gordon, Johnnie | 1-24-1956 | Electrocuted | Harris | Huntsville, TX | 387 | Rape | |
| Gosch, Lesley | 4-24-1998 | Leathal Injection | Victoria | Huntsville, TX | 842 | Kidnapping | |
| Goss, Cornelius | 2-23-2000 | Lethal Injection | Dallas | Huntsville, TX | 912 | Burglary | |
| Grady, Willie | 7-25-1929 | Electrocuted | Hunt | Huntsville, TX | 68 | Rape | |
| Graham, Gary | 6-22-2000 | Lethal Injection | Harris | Huntsville, TX | 696 | Robbery | |
| Granviel, Kenneth | 2-27-1996 | Lethal Injection | Tarrant | Huntsville, TX | 533 | Rape | |
| Gray, G.C | 8-7-1925 | Electrocuted | Titus | Huntsville, TX | 22 | Murder | |
| Grays, Fobie | 7-20-1938 | Electrocuted | Wharton | Huntsville, TX | 201 | Murder | |
| Griffin, George | 4-20-1941 | Electrocuted | Nueces | Huntsville, TX | 234 | Rape | |
| Green, John | 8-5-1932 | Electrocuted | Medina | Huntsville, TX | 103 | Murder | |
| Green, Leo | 10-26-1917 | Lynched | Cass | Linden, TX | n/a | ||
| Green, G. W. | 11-12-1991 | Lethal Injection | Montgomery | Huntsville, TX | 576 | Burglary | |
| Green, Norman | 2-24-1999 | Lethal Injection | Bexar | Huntsville, TX | 805 | Robbery | |
| Green, Ricky Lee | 10-8-1997 | Lethal Injection | Tarrant | Huntsville, TX | 984 | ||
| Green, Walter | 2-19-1954 | Electrocuted | Culberson | Huntsville, TX | 372 | Murder | |
| Gribble, Timothy | 3-15-2000 | Lethal Injection | Galveston | Huntsville, TX | 929 | Rape | |
| Griffin, Jeffery | 11-19-1992 | Lethal Injection | Harris | Huntsville, TX | 647 | Robbery | |
| Grogans, Charlie | 7-28-1932 | Electrocuted | Jefferson | Huntsville, TX | 102 | Rape | |
| Guldry, Gilbert | 10-3-1917 | Lynched | Orange | Orange, TX | n/a | ||
| Gutierrez, Jessie | 9-16-1994 | Lethal Injection | Brazos | Huntsville, TX | 971 | Robbery | |
| Gutierrez, Jose | 11-18-1999 | Lethal Injection | Brazos | Huntsville, TX | 970 | Murder | |
| Gutierrez, Juan | 5-2-1944 | Electrocuted | Hidalgo | Huntsville, TX | 255 | Murder |