| Godfrey Gitahi Kariuki | |
| Office: | Member of the Kenyan Senate |
| Term Start: | 28 March 2013 |
| Term End: | 30 June 2017 |
| Constituency: | Laikipia County |
| Office2: | Member of the Kenyan National Assembly |
| Term Start2: | 2003 |
| Term End2: | 2007 |
| President2: | Mwai Kibaki |
| Predecessor2: | F. Chege Mbitiru |
| Successor2: | Ndiritu Muriithi |
| Constituency2: | Laikipia West |
| Birth Date: | 1 January 1937 |
| Death Place: | Nairobi |
| Birth Place: | Kenya Colony |
| Nationality: | Kenyan |
| Party: | TNA |
| Alma Mater: | Salve Regina University |
| Occupation: | Politician |
Godfrey Gitahi Kariuki, known as GG Kariuki (1 January 1937 – 30 June 2017) was a Kenyan politician who entered elective politics at independence in 1963. During Kenya's 11th Parliament, he served as Senator representing Laikipia County and one of the only politicians to serve the four presidents of Kenya, from 2013 until his death on 30 Jun 2017. Previously he had served several terms as Member of Parliament for Laikipia West Constituency, and he was Minister in both the governments of Jomo Kenyatta and Daniel arap Moi.
He wrote an autobiography detailing his political career titled Illusion of Power: Fifty Years in Kenya Politics.[1] In May 2009 he was arraigned in court for allegedly threatening to bring together various militia gangs in an attempt to overthrow the government.[2] He was elected as Senator for Laikipia County in the 2013 general elections. He died on 29 June 2017 at the age of 78 at a Nairobi Hospital.[3]