Gunnar Gundersen

• Gunnar Gundersen (politician), Norwegian politician and Olympic swimmer
• Gunnar S. Gundersen, Norwegian modernist painter.
• Gunnar Gundersen (chess player), Australian chess master
• Gunnar [Bull Gundersen], Norwegian sailor, novelist, playwright and lyricist
• Gunnar [Edvard Gundersen], Norwegian economist, politician and organizational leader