Jóhann G. Jóhannsson
Jóhann G. Jóhannsson is the name of the following people:
- Jóhann G. Jóhannsson (musician, 1947) (1947–2013), Icelandic musician
- Jóhann G. Jóhannsson (musician, 1955) (* 1955), Icelandic musician
- Jóhann Gunnar Jóhannsson (* 1971), Icelandic actor, director and screenwriter
