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