- Griffith
- Griffith John
- Griffith Observatory
- Griffiths
- Griffiths conjecture
- Griffith's criterion
- Griffiths inequality
- Griffiths intermediate torus
- Griffiths,Phillip Augustus
- Griffiths point
- Griffiths theorem
- Griffith Taylor
- Grifolafrondosa
- Grigg-Skjellerup Comet
- Grigg-Skjellerup comet
- Grignard reaction
- Grignard reagent
- Grigori Lvovich Roshal
- Grigori Naumovich Voitinsky
- Grigoriy Vasilyevich Soroka
- Grigor Muratsan
- Grigory Fedorovich Kvitka
- Grigory Grigorievich Myasoedov
- Grigory Ivanovich Konovalov
- Grigory Naumovich Chukhray